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CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 525 - 1 520 SERIES

525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

MOC NOTES 10 .ETHYLENICALLY UNSATURATED This Class 525 is... This Class 525 is considered to be an REACTANT ADMIXED WITH EITHER integral part of Class 520 (see the Class (A) A POLYMER DERIVED FROM A 520 schedule for the position of this SATURATED DI- OR HIGHER ESTER Class in schedule hierarchy). This Class OF A POLYCARBOXYLIC ACID AS retains all pertinent definitions and SOLE REACTANT, OR (B) REACTION class lines of Class 520 PRODUCT OF ONLY POLYCARBOXYLIC This Class 525 is... ACIDS OR ANHYDRIDES WITH ONLY COMPOUNDS HAVING AT LEAST TWO HYDROXYL GROUPS AT LEAST ONE OF WHICH IS SATURATED AND SYNTHETIC RESINS (CLASS 520, WHEREIN THE REACTION PRODUCT SUBCLASS 1) FORMED IS NOT AFTERTREATED 7 .ETHYLENICALLY UNSATURATED PRIOR TO ADMIXTURE WITH THE REACTANT ADMIXED WITH A UNSATURATED REACTANT EXCEPT PREFORMED REACTION PRODUCT WITH A POLYCARBOXYLIC ACID, DERIVED FROM: (a) AT LEAST ONE POLYCARBOXYLIC ACID ANHYDRIDE, POLYCARBOXYLIC ACID, ESTER, OR OR A POLYOL, AND WHEREIN NO ANHYDRIDE; (b) AT LEAST ONE SOLID POLYMER DERIVED FROM POLYHYDROXY COMPOUND; AND (c) ETHYLENIC REACTANTS ONLY IS AT LEAST ONE FATTY ACID MIXED THEREWITH GLYCEROL ESTER, OR A FATTY 11 ..Mixed in presence of specified ACID OR SALT DERIVED FROM A material or a polymerizable NATURALLY OCCURRING GLYCERIDE, composition contains a TALL OIL, OR A TALL OIL FATTY specified material ACID 12 ...Specified material contains 7.1 ..Mixed in the presence of a or atom specified material 13 ...Specified material contains 7.2 ..Mixed with silicon-containing atom other than from reactant or polymer derived IA metal atom (Li, Na, therefrom K, Rb, Cs, Fr) 7.3 ..Mixed with aldehyde or 14 ....Material contains Group IB derivative as reactant or metal atom (Cu, Ag, Au) polymer derived therefrom 15 ....Material contains Group IIB 7.4 ..Mixed with previously formed metal atom (Zn, Cd, Hg) or solid polymer or SPFI IIIA metal atom (Al, Ga, In, 8 .ETHYLENICALLY UNSATURATED Tl) REACTANT ADMIXED WITH A 16 ....Material contains Group VB PREFORMED REACTION PRODUCT metal atom (V, Nb, Ta) DERIVED FROM: (a) AT LEAST ONE 17 ....Material contains Group VIII POLYCARBOXYLIC ACID, ESTER, OR metal atom (Fe, Co, Ni, Ru, ANHYDRIDE; (b) AT LEAST ONE Rh, Pd, Os, Ir, Pt) POLYHYDROXY COMPOUND; AND (c) AT LEAST ONE NATURAL RESIN, 18 ....Material contains Group IVA PROTEIN, OR BIOLOGICALLY metal atom (Ge, Sn, Pb) ACTIVE POLYPEPTIDE, OR 19 ....Material contains Group IIA CARBOHYDRATE OR DERIVATIVE metal atom (Be, Mg, Ca, Sr, Ba, Ra) 20 ...Specified material contains atom 21 ...Specified material contains ketone group 22 ...Specified material contains an aldehyde or derivative thereof 23 ...Specified material contains atom

April 2011 525 - 2 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

24 ....Sulfur is part of 33 ..Polymer derived from heterocyclic ring polycarboxylic acid and 25 ...Specified material contains polyhydroxy compound is atom derived from at least one 26 ....Nitrogen is part of polycarboxylic acid containing heterocyclic ring at least three carboxyl groups 27 ...Specified material contains a or more than one anhydride peroxy group, i.e., -O-0- group 28 ..Mixed with -N=C=X reactant or 34 ..Polymer derived from polymer derived therefrom (X polyhydroxy reactant and is ) polycarboxylic acid is derived 29 ..Mixed with silicon-containing from at least one reactant reactant or polymer derived containing at least three therefrom hydroxyl groups 30 ..Mixed with a solid polymer or 35 ..Polymer derived from specified intermediate polycarboxylic acid or condensation product derived anhydride and polyhydroxy from at least one amine-, N- compound is derived from at C(=X)- or N-S-(=O)- containing least two polycarboxylic acid reactant and at least one reactants or two aldehyde or aldehyde-type polycarboxylic acid anhydrides reactant (X is chalcogen) or mixture thereof 31 ..Mixed with an 1,2-epoxy 36 ...At least one of said compound containing more than polycarboxylic acid reactants one 1,2-epoxy group per mole or anhydrides contains or polymer derived therefrom ethylenic unsaturation 32 ..Mixed with a phenolic reactant 37 ....Polymer mixed with and an aldehyde or aldehyde- unsaturated reactant type reactant or reaction containing phosphorus atom product thereof 38 ....Polymer mixed with 32.1 ..Polymer derived from unsaturated reactant polycarboxylic acid and containing nitrogen atom polyhydroxyl compound is 39 ....Polymer mixed with derived from at least one unsaturated reactant polycarboxylic acid reactant containing carboxylic acid, which is a dimer or trimer of ester, salt or anhydride group an ethylenically unsaturated 40 ....Polymer mixed with aliphatic monocarboxylic acid unsaturated reactant having at least ten containing aryl ring atoms; or adducts of said 41 ..Polymer derived from unsaturated monocarboxylic polycarboxylic acid or acid with an alpha, beta anhydride and polyhydroxy ethylenically unsaturated compound is derived from at carboxylic acid or derivative least two polyhydroxy 32.2 ..Ethylenic reactant or polymer compounds derived from polycarboxylic 42 ..Polymer derived from acid or anhydride and polyol polycarboxylic acid or is derived from a carbohydrate anhydride and polyhydroxy or derivative compound is derived from polyhydroxy compound containing ether linkage

April 2011 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 525 - 3 520 SERIES

43 ..Polymer derived from 54.2 ..Previously formed solid polymer polycarboxylic acid or chemically reacted with anhydride and polyhydroxy carbohydrate or derivative compound wherein at least one 54.21 ...Cellulose or derivative as of the reactants contains chemical reactant ethylenic unsaturation 54.22 ....Previously formed solid 44 ...Polymer mixed with unsaturated polymer is derived from N=C=X reactant containing two or reactant or contains N=C=X more unsaturated groups group wherein X is chalcogen 45 ....Wherein unsaturated reactant 54.23 ....Previously formed solid contains three nitrogen atoms polymer is derived from in the same ring ethylenically unsaturated 46 ...Polymer mixed with unsaturated reactants only reactant containing nitrogen 54.24 ...Starch, starch flour or meal, atom or derivative as chemical 47 ....Unsaturated reactant contains reactant nitrogen heterocycle 54.26 ....Previously formed solid 48 ...Polymer mixed with unsaturated polymer derived from ethylenic carboxylic acid, ester, salt, reactants only or anhydride 54.3 ..Previously formed solid polymer 49 ...Polymer mixed with unsaturated containing chemically combined aromatic compound carbohydrate admixed with a 50 .MIXING OF TWO OR MORE SOLID chemical treating or ethylenic POLYMERS; MIXING OF SOLID agent, SPFI, SICP, or solid POLYMER OR SICP WITH SICP OR polymer SPFI; MIXING OF SICP WITH AN 54.31 ...Carbohydrate containing ETHYLENIC AGENT; MIXING OF polymer is derived from SOLID POLYMER WITH A CHEMICAL starch, or starch containing TREATING OR ETHYLENIC AGENT; flour or meal OR PROCESSES OF FORMING OR 54.32 ....Carbohydrate containing REACTING; OR THE RESULTANT polymer derived from PRODUCT OF ANY OF THE ABOVE acrylonitrile OPERATIONS 54.4 ..Containing chemically combined 51 ..Effecting a change in a process natural resin or derivative in response to a measurement thereof other than tall oil or test 54.41 ...Shellac 52 ..Utilizing a tubular or loop 54.42 ...Previously formed solid reactor polymer chemically reacted 53 ..Utilizing an apparatus with two with natural resin or or more physically distinct derivative zones 54.44 ....At least one previously 54 ..Removing and recycling material formed solid polymer derived from one zone to another from ethylenic monomers only 54.1 ..Containing chemically combined 54.45 ...Previously formed solid protein or biologically active polymer containing chemically polypeptide combined natural resin or 54.11 ...Solid polymer treated by derivative admixed with an stepwise reaction with ethylenic agent or a chemical naturally occurring alpha or treating agent other than SICP beta amino acid or a material or SPFI which contains a residue of 54.5 ..Chemically combined coal, said amino acid, e.g., a bituminous material, extract, functionally protected amino or derivative thereof; oil acid, etc. shale; or fatty still residue

April 2011 525 - 4 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

55 ..At least one solid polymer 67 .....With solid polymer derived derived from ethylenic from at least one hal-C(=O)- reactants only hal, O-C(=O)-O or hal-C(=O)-O- 56 ...Polyvinyl alcohol reactant wherein at least one 57 ....With solid polymer derived of the reactants forming the from ethylenic reactants only solid polymer is saturated; or 58 ....With SICP, SPFI, or polymer with SPFI wherein at least one thereof of the necessary ingredients 59 ....With ethylenic reactant is a hal-C(=O)-hal, O-C(=O)-O, 60 ....Interpolymers or hal-C(=O)-O containing reactant or reaction product 61 ....Chemical modification thereof; or with a SICP utilizing a chemical treating containing a hal-C(=O)- or O- agent C(=O)-O- group 62 ....Processes only of preparing 68 .....With solid polymer derived polyvinyl alcohol from at least one phenolic 63 ...Mixing of solid graft or reactant wherein at least one graft-type copolymer with of the reactants forming the other solid polymer wherein solid polymer is saturated; or one of said solid polymers is with SPFI wherein at least one not derived from ethylenic of the necessary ingredients reactants only; mixing of said is a phenolic reactant or with polymer mixture with a a reaction product thereof; or chemical treating agent; or with phenolic-containing SICP mixing of graft or graft-type 69 ....Solid graft or graft-type copolymer with a SICP or SPFI; copolymer contains backbone or processes of forming or derived from ethylenic reacting; or the resultant reactants only product of any of the above operations 70 ...Mixing of solid graft or graft-type copolymer derived 64 ....Solid graft or graft-type from ethylenic reactants only copolymer derived from with other solid polymer ethylenic reactants only derived from ethylenic 65 .....With saturated 1,2-epoxy reactants only; or treating reactant containing more than said mixture with chemical one 1,2-epoxy group per mole treating agent; or processes or polymer derived therefrom; of forming or reacting; or the or with solid copolymer resultant product of any of derived from at least one the above operations unsaturated 1,2-epoxy reactant 71 ....Contains two or more graft or wherein the epoxy reactant graft-type copolymers or a contains more than one 1,2- graft or a graft type epoxy group per mole and at copolymer and at least one least one saturated reactant or block-type copolymer 66 .....With solid polymer derived 72 ....Mixture contains solid from at least one nitrogen- polymer derived from reactants containing reactant wherein at containing an atom other than least one of the reactants C, H, O, N, or forming the solid polymer is saturated; or with SPFI 73 ....Mixture contains solid wherein at least one of the polymer derived from reactant necessary ingredients contains containing nitrogen a nitrogen atom or with a heterocycle reaction product thereof; or 74 ....Mixture contains solid with nitrogen-containing SICP polymer derived from reactant containing heterocycle

April 2011 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 525 - 5 520 SERIES

75 ....Mixture contains solid 88 ...Mixing of solid block or polymer derived from reactant block-type copolymer with containing a fused- or other solid polymer; mixing of bridged-ring system or from said polymer mixture with a cycloaliphatic reactant chemical treating agent; 76 ....Mixture contains solid mixing of a block or block- polymer derived from chlorine- type copolymer with SICP or containing reactant other than with SPFI; or processes of from vinyl(idene) chloride forming or reacting; or the 77 ....Mixture contains solid resultant product of any of polymer derived from reactant the above operations containing nitrogen other than 89 ....Mixture contains two or more from (meth)acrylonitrile solid block or block-type 78 ....Mixture contains solid copolymers polymer derived from reactant 90 ....Mixture contains solid block containing carboxylic acid copolymer wherein at least one group block is derived from 79 ....Mixture contains solid ethylenic reactants only and polymer derived from reactant at least one block is derived containing ether or hydroxyl from at least one saturated group reactant 80 ....Mixture contains solid 91 .....Block derived from at least polymer derived from reactant one saturated reactant containing carboxylic acid containing a heterocycle ester group 92 R ....Mixture contains solid 81 .....Reactant contains at least polymer derived from at least two ester groups one saturated reactant, SICP, 82 ...... Ester derived from a polyol or SPFI 83 .....Substrate polymer derived 92 A .....Solid block or block-type from hydrocarbon containing copolymer derived from plural unsaturation saturated reactants only 84 ...... Polymer substrate derived 92 B .....Solid polymer derived from a from hydrocarbon reactants lactam; from an amino only carboxylic acid or derivative; 85 .....Polymer substrate derived from a polyamine and a from an unsaturated carboxylic polycarboxylic acid or acid ester derivative 86 ....Mixture contains solid 92 C .....Solid polymer derived from - polymer derived from N=C=X reactant, wherein X is nonaromatic reactant chalcogen containing plural 92 D .....Solid polymer derived solely ethylenically unsaturated from a phenolic reactant or groups derivative thereof, wherein no 87 .....Solid polymer other than reactant contains a plurality graft or graft-type derived of methylol groups from nonaromatic plural 92 E .....Solid polymer derived form - ethylenically unsaturated O-C(=O)-O- or hal-C(=O)- reactant containing reactant 92 F .....Solid polymer derived from polyhydroxy reactant and polycarboxylic acid or derivative 92 G .....Solid polymer derived from silicon-containing reactant

April 2011 525 - 6 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

92 H .....Solid polymer derived from 101 ....Contacting with nonsilicon- saturated 1,2-epoxy reactant containing SICP, nonsilicon- containing more than one 1,2- containing SPFI, or polymer epoxy group per molecule thereof; or with two or more 92 J .....Solid polymer derived from solid polymers sulfur-containing reactant 102 ....Si-H or Si-C reactant 92 K .....Solid polymer derived from contains an atom other than C, saturated aldehyde or aldehyde H, O, or Si bonded to a carbon derivative material atom 92 L .....Solid polymer derived from 103 ....Solid polymer from ethylenic heterocyclic material reactants only is derived from 92 M .....Solid polymer derived from heterocyclic reactant saturated ketone reactant 104 ....Solid polymer from ethylenic 93 ....Mixture contains solid reactants only is derived from polymer derived from reactant reactant containing containing chalcogen atom 94 .....Solid block or block-type 105 ....Solid polymer from ethylenic copolymer derived from reactants only is derived from reactant containing carboxylic plural unsaturated hydrocarbon acid ester group 106 ....Solid polymer from ethylenic 95 ....Mixture contains solid block reactants only is derived from or block-type copolymer unsaturated hydrocarbon derived from ethylenically 107 ...With saturated 1,2-epoxy unsaturated hydrocarbon reactant containing more than reactants only at least one of one 1,2-epoxy group per mole which contains at least four or polymer derived therefrom; carbon atoms or with solid copolymer 96 .....With solid polymer derived derived from at least one from reactant containing an saturated reactant and at atom other than C, H or least one unsaturated 1,2- chalcogen epoxy reactant wherein the 97 .....Mixture contains solid epoxy reactant contains more polymer derived from reactant than one 1,2-epoxy group per containing a fused- or mole bridged-ring system 108 ....Contacting two or more solid 98 .....Solid block or block-type polymers derived from copolymer derived from ethylenic reactants only with reactant containing plural a poly 1,2-epoxy-containing unsaturation reactant; or contacting a 99 ...... With solid polymer derived solid polymer derived from from reactant containing ethylenic reactants only with plural unsaturation a poly 1,2-epoxy-containing reactant and subsequently 100 ...With saturated Si-C or Si-H contacting with an additional reactant or polymer thereof; polymer derived from ethylenic or with solid copolymer reactants only derived from at least one Si-C or Si-H reactant wherein at 109 ....With phenolic reactant or least one of the reactants polymer thereof and is free of forming the solid copolymer is 1,2-epoxy groups saturated; or with SPFI 110 ....With reactant which is an wherein at least one of the aldehyde, aldehyde derivative, necessary ingredients contains or polymer thereof, and which a Si-C or Si-H bond or with a is free of an 1,2-epoxy group reaction product thereof; or (included herein are alkylated with a SICP containing a Si-H methylol groups) or Si-C bond

April 2011 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 525 - 7 520 SERIES

111 ....With reactant which is free 121 ....Polymer derived from of an 1,2-epoxy group and ethylenic reactants only which contains a -N=C=X group derived from reactant or polymer thereof (X is containing a halogen atom chalcogen); or with a polyol 122 ....Polymer derived from and a polycarboxylic acid or ethylenic reactants only reaction product thereof which derived from unsaturated is free of an 1,2 epoxy group hydrocarbon 111.5 ....With a reactant which is a 123 ...With saturated -N=C=X (X is fatty acid glycerol ester, a chalcogen) reactant or polymer fatty acid or salt derived thereof; or with solid from a naturally occurring copolymer derived from at glyceride, tall oil, or a least one -N=C=X reactant fatty acid derived from tall wherein at least one of the oil reactants forming the solid 112 ....Contacting polymer from copolymer is saturated; or ethylenic reactants only with with SPFI wherein at least one ethylenic reactant wherein of the necessary ingredients said contacting is either contains a -N=C=X group or concurrent with or subsequent with a reaction product to the contacting with the thereof; or with SICP saturated poly 1,2-epoxy containing a -N=C=X group reactant 124 ....Blocked isocyanate reactant 113 ....With nitrogen-containing 125 ....Contacting two or more solid reactant, or wherein the poly polymers derived from 1,2-epoxy reactant contains a ethylenic reactants only with nitrogen atom a -N=C=X reactant or polymer 114 ....With additional heterocyclic thereof; or contacting a reactant free of 1,2-epoxy polymer derived from an group ethylenic reactant only with a 115 ....Poly 1,2-epoxy reactant -N=C=X reactant or polymer contains an atom other than C, thereof and subsequently H, or O adding thereto a solid polymer 116 ....Polymer derived from derived only from ethylenic ethylenic reactants only reactants derived from reactant 126 ....Contacting solid polymer from containing an atom other than ethylenic reactants only with C, H, N, O, or halogen ethylenic reactant wherein 117 ....Polymer derived from said contacting is either ethylenic reactants only concurrent with or subsequent derived from heterocyclic to contacting of said solid reactant polymer with the -N=C=X 118 ....Polymer derived from reactant or polymer thereof ethylenic reactants only 127 ....Contacting with a -N=C=X- derived from reactant containing reactant which has containing an alcohol or ether been previously reacted with group (includes phenols) an organic compound containing 119 ....Polymer derived from a hydroxyl, amine, or -C(=O)- ethylenic reactants only O- group derived from reactant 128 .....-N=C=X reactant has been containing a -COOH group previously reacted with an 120 ....Polymer derived from organic amine ethylenic reactants only 129 .....Solid polymer from ethylenic derived from nonaromatic reactants only derived from monoolefin halogen-containing reactant

April 2011 525 - 8 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

130 .....Solid polymer from ethylenic 137 .....Phenolic reactant prior to reactants only derived from contact with aldehyde or hydrocarbon reactant aldehyde-type reactant 131 ....Contacting with -N=C=X- contains at least two aryl containing reactant and with rings each of which contains additional organic reactant phenolic substituents containing a hydroxyl or amine 138 .....With nonethylenic, group or polymer thereof nonaldehyde, or nonaldehyde- 132 ...With saturated phenolic type reactant containing an reactant or polymer thereof; atom other than C, H, or O or with solid copolymer 139 .....Solid polymer derived from derived from at least one ethylenic reactants only is phenolic reactant wherein at derived from reactant least one of the reactants containing at least two forming the solid copolymer is ethylenic groups saturated; or with SPFI 140 ...... Phenolic reactant has at wherein at least one of the least two nuclear carbon atoms necessary ingredients is a directly bonded to extracyclic phenolic reactant or with a carbon atoms which extracyclic reaction product thereof; or carbon atoms are not part of a with a SICP containing a methylol group phenolic group Si-H or Si-C 141 ...... Solid polymer from bond ethylenic reactants only is 133 ....Contacting two or more solid derived from both a reactant polymers with a phenolic containing two ethylenic reactant; or contacting a groups and an acyclic solid polymer with a phenolic monoethylenic hydrocarbon reactant and subsequently 142 .....Solid polymer derived from contacting the treated polymer ethylenic reactants only is with an additional solid derived from a nitrogen- polymer containing reactant 133.5 ....With a reactant which is a 143 .....Solid polymer derived from fatty acid glycerol ester, a ethylenic reactants only is fatty acid or salt derived derived from a reactant from a naturally occurring containing a carboxylic acid glyceride, tall oil, or a or derivative thereof fatty acid derived from tall 144 .....Solid polymer derived from oil ethylenic reactants only is 134 ....Contacting with aldehyde or derived from a reactant aldehyde-type reactant or containing at least one polymer therefrom halogen atom 135 .....At least two distinct 145 .....Solid polymer derived from phenols, phenol ethers, ethylenic reactants only is inorganic phenolates, or derived from an acyclic mixtures thereof prior to hydrocarbon reaction with aldehyde or 146 ....With a -O-C(=O)-O-, -O-C(=O)- aldehyde-type reactant derived hal or hal-C(=O)-hal group- from tall oil containing reactant or polymer 136 .....Phenolic reactant prior to thereof contact with aldehyde or 147 .....Two or more diverse phenolic aldehyde-type reactant reactants; or phenolic contains an atom other than C, reactant contains an atom H, or O other than C, H, or O

April 2011 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 525 - 9 520 SERIES

148 .....Solid polymer derived from 155 ....Contacting two or more solid ethylenic reactants only is polymers derived from derived from a reactant ethylenic reactants only with containing a carboxylic acid an aldehyde or aldehyde-type or derivative thereof reactant; or contacting a 149 ....Contains ethylenic reactant polymer derived from ethylenic other than from a solid reactant and subsequently polymer derived from ethylenic contacting with a solid reactants only, e.g., reaction polymer derived from ethylenic product from a phenol and reactants only unsaturated hydrocarbon, etc. 156 ....Contacting with a hydrocarbon 150 ....Phenolic reactant contains a and an aldehyde or aldehyde phosphorus or sulfur atom or derivative as reactants at with phosphorus- or sulfur- least one of which is containing reactant saturated, their condensate or 151 ....Solid polymer derived from solid polymer thereof ethylenic reactants only is 157 ....Contacting with an amine, a derived from a reactant material containing a N-C(=X)- containing at least one or N-S(=O)- (X is chalcogen) halogen atom reactant and an aldehyde or 152 ....Solid polymer derived from aldehyde derivative at least ethylenic reactants only is one of which is saturated, derived from a reactant their condensate or solid containing a polycyclic ring polymer thereof system or two or more 158 .....Reactant, condensate, or ethylenic groups solid polymer contains an 153 ...With saturated ketone reactant element other than C, H, N, or or polymer thereof; or with O; or wherein a coreactant is solid copolymer derived from not an aldehyde or aldehyde- at least one ketone reactant type reactant, alcohol, amine, wherein at least one of the or reactant containing a N- reactants forming the solid C(=O)- group copolymer is saturated; or 159 .....Reactant derived from with SPFI wherein at least one alcohol containing an aryl of the necessary ingredients group or eight or more carbon is a ketone or with a reaction atoms product thereof; or with a 160 .....Solid polymer derived from SICP containing a ketone group ethylenic reactants only 154 ...With saturated aldehyde or contains an element other than aldehyde derivative (including C, H, O, or N methylol ethers or 161 .....Solid polymer derived from condensates) reactant or solid ethylenic reactants only polymer thereof; or with solid derived from reactant copolymer derived from at containing a heterocyclic ring least one aldehyde or aldehyde or fused-, bridged-ring system derivative reactant wherein at excluding an anhydride group least one of the reactants which produces the fused- or forming the solid copolymer is bridged-ring system or saturated; or with SPFI heterocyclic ring wherein at least one of the 162 .....Solid polymer derived from necessary ingredients is an ethylenic reactant only aldehyde or aldehyde derived from reactant derivative reactant or with a containing hydroxyl or ether reaction product thereof; or group with SICP containing an aldehyde or aldehyde derivative

April 2011 525 - 10 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

163 .....Solid polymer derived from 170 .....Solid polymer derived from ethylenic reactants only ethylenic reactants only containing a carboxylic acid, derived from at least one ester, or anhydride group reactant containing an oxygen 164 .....Solid polymer derived from atom unsaturated hydrocarbon 171 .....Solid polymer derived from 165 ...With polycarboxylic acid or ethylenic reactants only derivative and a polyol at derived from at least one least one of which is hydrocarbon reactant saturated, a condensate or containing at least two solid polymer thereof; or with ethylenic groups solid polymer derived from at 172 ....Polycarboxylic acid or least one polycarboxylic acid derivative contains three or or derivative and at least one more carboxylic acid groups or polyol wherein at least one derivatives thereof; or the reactants forming the wherein a polyol contains at solid polymer is saturated least three hydroxyl groups 166 ....Two or more solid polymers 173 ....From two or more polyols present other than derived 174 ....From two or more carboxylic from a polycarboxylic acid or acids or derivatives thereof derivative and a polyol 175 ....Solid polymer derived from 167 ....Polycarboxylic acid or ethylenic reactants only derivative or polyol contains derived from at least one an atom other than C, H, or O; reactant containing an atom or wherein a polycarboxylic other than C, H, O, or Hal acid or derivative or polyol 176 ....Solid polymer derived from or condensate thereof is ethylenic reactants only reacted with a reactant derived from at least one containing atoms other than C, reactant containing an oxygen H, or O prior to blending with atom the solid polymer; or wherein 177 ....Solid polymer derived from a coreactant with the ethylenic reactants only polycarboxylic acid or derived from unsaturated derivative or polyol contains hydrocarbon an atom other than C, H, or O 178 ...With a polycarboxylic acid or 167.5 ....With a reactant which is a derivative and a polyamine or fatty acid glycerol ester, a the corresponding salt fatty acid or salt derived thereof; or with a lactam; or from a naturally occurring with an aminocarboxylic acid; glyceride, tall oil, or a or with the corresponding fatty acid derived from tall polymers; and wherein the oil monomer or polymer was derived 168 ....Polycarboxylic acid or from at least one saturated derivative, polyol, or other reactant coreactant contains an 179 ....Two or more solid polymers ethylenic group; or wherein a other than prepared from a condensate thereof has been polycarboxylic acid or prepared from a polycarboxylic derivative and a polyamine, a acid or derivative and a lactam, an aminocarboxylic polyol and subsequently acid or derivative, or from a reacted with an ethylenic polyamine salt of a reactant polycarboxylic acid 169 .....Solid polymer derived from ethylenic reactants only derived from at least one reactant containing an atom other than C, H, or O

April 2011 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 525 - 11 520 SERIES

180 ....Polycarboxylic acid or 191 ...Polymer mixture of two or more derivative contains three or solid polymers derived from more carboxylic acid groups; ethylenically unsaturated or polyamine contains three or reactants only; or mixtures of more amino groups; or from an said polymer mixture with a amino containing chemical treating agent; or polycarboxylic acid or products or processes of derivative other than amine preparing any of the above solely in salt form; or from mixtures polyamino carboxylic acid or 192 ....Treating polymer or polymer derivative other than wherein mixture with a chemical amino groups are solely in treating agent other than salt form solid polymer 181 ....With ethylenically 193 .....Agent contains an ethylenic unsaturated reactant; or group reactant contains a 194 .....Agent is an organic material heterocyclic ring other than 195 ...... Contains a metal atom solely as a lactam or cyclic 196 .....Agent contains a metal atom anhydride of a polycarboxylic 197 ....Specified blending process acid 198 .....With subsequent physical 182 ....Solid polymer derived from treatment ethylenically unsaturated 199 ....Solid polymer derived from reactant only is one derived -containing ethylenic from a reactant containing a reactant heterocyclic ring and is other 200 .....Fluorine reactant contains than solely a cyclic anhydride atoms other than C, H, or Hal of a polycarboxylic acid 201 ....Solid polymer derived from 183 ....Solid polymer derived from metal-containing ethylenic ethylenically unsaturated reactant reactant only is derived from ....Solid polymer derived from a reactant containing a 202 carboxylic acid or derivative reactant containing an acetylenic group 184 ....Solid polymer derived from ....Solid polymer derived from ethylenically unsaturated 203 hydrocarbon ethylenic reactant containing a heterocyclic nitrogen 185 ...With additional solid polymer .....Heterocyclic reactant derived from at least one 204 nonethylenic reactant contains at least two hetero atoms in the same ring and at 186 ....At least one reactant which least one of which is nitrogen forms additional polymer .....Heterocyclic reactant is an contains a heterocyclic ring 205 imide or lactam 187 .....Heterocyclic ring is an 1,2- ....Solid polymer derived from epoxy ring 206 reactant containing a 188 ....At least one reactant which chalcogen atom (O, S, Se, Te) forms additional polymer as part of a heterocyclic ring contains a phosphorus atom 207 .....Heterocyclic reactant 189 ....At least one reactant which contains anhydride group forms additional polymer .....Heterocyclic reactant contains a sulfur atom 208 contains 1,2-epoxy group 190 ....At least one reactant which ....Solid polymer derived from forms additional polymer 209 contains a carboxylic acid or reactant containing elements derivative other than C, H, O, N, S, or Cl 210 ....Solid polymer derived from reactant containing a fused- or bridged- ring system

April 2011 525 - 12 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

211 .....Fused- or bridged-ring 230 ...... Polymer derived from reactant contains at least two nitrogen-containing reactant ethylenic groups 231 ....Solid polymer derived from 212 ....Solid polymer derived from oxygen-containing reactant sulfur-containing reactant 232 ....Solid polymer derived from 213 ....Solid polymer derived from reactant containing at least chlorine-containing reactant two ethylenic groups and is other than vinyl(idene) devoid of aryl ring chloride 233 .....Polymer derived from 214 .....Halogenated hydrocarbon nitrogen-containing reactant other than vinyl(idene) 234 ...... At least two polymers chloride derived from nitrogen- 215 ...... Halogenated hydrocarbon containing reactants contains at least two 235 .....Polymer derived from ethylenic groups and is devoid halogen-containing reactant of an aryl ring 236 .....At least two polymers 216 ....Solid polymer derived from derived from reactants cycloaliphatic-containing containing two or more reactant ethylenic groups and devoid of 217 ....Solid polymer derived from an aryl ring reactant containing nitrogen 237 ...... At least one of these atom other than from polymers is derived from two (meth)acrylonitrile or more reactants 218 .....Nitrogen reactant contains a 238 ....Solid polymer derived from carboxylic acid amide group (meth)acrylonitrile 219 ....Solid polymer derived from 239 ....Solid polymer derived from reactant containing a phenolic vinyl(idene) chloride group 240 ....Solid polymer derived from 220 ....Solid polymer derived from ethylene or propylene reactant containing a carbonyl 241 ....Solid polymer derived from an group other than as part of a aromatic hydrocarbon reactant carboxylic acid or derivative 242 ...Polymer derived from ethylenic 221 ....Solid polymer derived from reactants only mixed with reactant containing a ethylenic reactant carboxylic acid group 243 ....Reactions with ethylenic 222 ....Solid polymer derived from reactants in two or more reactant containing a diverse phases, e.g., bulk, carboxylic acid ester group emulsion, melt, solution, etc. 223 .....Ester contains an oxygen 244 ....Contacting a solid polymer atom other than as part of a derived from ethylenic carboxylic acid ester group reactants only with an 224 .....Ester derived from both an ethylenic reactant in the unsaturated carboxylic acid presence of a specified and an unsaturated alcohol material 225 .....Ester contains at least two 245 .....Specified material contains carboxylic acid ester groups atom 226 ...... Ester derived from polyol 246 ...... In presence of water 227 .....Ester derived from an 247 ...... Contains nontransition unsaturated carboxylic acid metal atom 228 ...... At least two polymers 248 .....Specified material contains derived from carboxylic acid a carbon or atom ester reactants bonded directly to a metal 229 ...... Ester derived from an atom unsaturated alcohol 249 ...... Metal atom is aluminum

April 2011 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 525 - 13 520 SERIES

250 ...... Metal atom is Group IA 271 .....Specified material contains metal atom (Li, Na, K, Rb, Cs, a Group IA atom in elemental Fr) form or bonded to hydrogen or 251 .....Specified material contains carbon a boron atom 272 ...... Contains an atom other than 252 .....Specified material is a Group IA, C, or H carbohydrate or is a solid 273 .....Specified material contains synthetic polymer not intended a compound containing a peroxy to be in the final product group, i.e., -O O- 253 ...... Material contains a free 274 ....Ethylenic reactant contains a alcohol group or is alcoholate metal atom thereof 275 ....Ethylenic reactant contains 254 .....Specified material contains an acetylenic group silicon atom 276 ....Ethylenic reactant contains a 255 .....Specified material contains fluorine atom a phosphorus atom 277 ....Ethylenic reactant contains a 256 .....Specified material contains carbonate group a heterocyclic ring 278 ....Ethylenic reactant contains a 257 .....Specified material contains carbamate group a ketone group 279 ....Ethylenic reactant contains 258 .....Specified material contains nitrogen heterocycle, e.g., an ether group pyridine, diazines, etc. 259 .....Specified material contains 280 .....Block copolymer an organic nitrogen compound 281 .....Nitrogen heterocycle 260 ...... Organic nitrogen compound contains at least two nitrogen contains an azo group, i.e., - atoms in the same ring N=N- 282 .....Imide 261 .....Specified material contains 283 .....Lactam an organic sulfur compound 284 ....Ethylenic reactant contains a 262 .....Specified material contains chalcogen heterocycle a carboxylic acid or 285 .....Cyclic anhydride derivative 286 .....Three-membered ring 263 .....Specified material contains containing two carbon and one a peroxy group, i.e., -O-O- chalcogen atom 264 ...... Contains nonperoxy compound 287 ....Ethylenic reactant contains a or inorganic peroxy compound phosphorus atom 265 ...... Aromatic or cycloaliphatic 288 ....Ethylenic reactant contains peroxy compound atoms other than C, H, O, N, S, 266 .....Specified material contains or Cl an organic chalcogen compound 289 ....Ethylenic reactant contains a 267 ....Including step of preparing a fused- or bridged-ring system polymer in the presence of a 290 .....Dicyclopentadiene-containing specified material and in the group absence of a preformed polymer 291 ....Ethylenic reactant contains a derived from ethylenic sulfur atom reactant only 292 ....Ethylenic reactant contains a 268 .....Specified material contains chlorine atom and is other a transition metal atom than vinyl(idene) chloride 269 ...... Transition metal is other 293 ....Ethylenic material contains a than Group IVB, VB, or VIB nitrogen atom and is other metal atom than (meth)acrylonitrile 270 ...... With , 294 .....Block copolymer derived from nonhydrocarbon compound nitrogen-containing reactant

April 2011 525 - 14 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

295 .....Nitrogen atom is part of a 313 ....Ethylenic reactant contains nitrile group and is other at least two unsaturated than (meth)acrylonitrile groups and is devoid of an 296 .....Nitrogen atom is part of a aromatic group carboxylic acid amide group 314 .....Block copolymer derived from 297 ....Ethylenic reactant contains a reactant containing at least cycloaliphatic group two unsaturated groups and is 298 ....Ethylenic reactant contains free of an aromatic group an oxygen atom 315 .....Ethylenic reactant reacted 299 .....Block copolymer derived from in the presence of a solid oxygen-containing reactant polymer substrate derived from 300 .....Oxygen atom is part of a reactant containing two ketone or ketene group unsaturated groups and is 301 .....Oxygen atom is part of a devoid of an aromatic group carboxylic acid group 316 ...... Ethylenic reactant is an 301.5 ...... Unsaturated fatty acid aromatic hydrocarbon derived from a naturally 317 ....Ethylenic reactant is occurring glyceride, tall oil, vinyl(idene) chloride or an unsaturated fatty acid 318 .....Block copolymer derived from derived from tall oil vinyl(idene) chloride 302 .....Oxygen atom is part of a 319 ....Ethylenic reactant is acyclic carboxylic acid ester group hydrocarbon 303 ...... Ester contains an oxygen 320 .....Acyclic hydrocarbon contains atom other than as a five or more carbon atoms carboxylic acid ester group 321 ...... Block copolymer derived 304 ...... Ester contains at least two from acyclic hydrocarbon carboxylic acid ester groups containing five or more carbon 305 ...... Ester is derived from a atoms polyol 322 .....Acyclic hydrocarbon is 306 ...... Ester is derived from an propylene unsaturated alcohol 323 ...... Block copolymer derived 307 ...... Ester is derived from an from propylene unsaturated carboxylic acid 324 .....Acyclic hydrocarbon is and an unsaturated alcohol ethylene 308 ...... Ester is derived from an 326.1 ...Chemically after treated solid unsaturated carboxylic acid polymers derived from 309 ...... Ester derived from an ethylenically unsaturated unsaturated carboxylic acid is monomers only reacted in the presence of a 326.2 ....Polymer derived from fluorine solid polymer monomer 310 ...... Ester reactant derived 326.3 .....Vulcanized or crosslinked in from an unsaturated carboxylic presence of chemical treating acid is reacted in the agent presence of a solid polymer 326.4 .....Halogen containing chemical substrate derived from a treating agent; or polyene hydrocarbon dehalogenated 311 ...... Ester reactant derived from 326.5 ....Polymer derived from silicon an unsaturated alcohol is monomer reacted in the presence of a 326.6 ....Polymer derived from monomer solid polymer containing atom other than: C, 312 .....Oxygen atom is part of an H, N, O, S, halogen or group IA ether group or IIA carboxylate 326.7 ....Polymer derived from monomer containing nitrogen atom as part of a heterocyclic ring

April 2011 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 525 - 15 520 SERIES

326.8 .....Oxygen atom in ring or 328.7 ....Polymer derived from aldehyde bonded directly to the nuclear monomer carbon of ring monomer 328.8 ....Polymer derived from alcohol 326.9 ...... Lactam monomer, e.g., vinyl monomer pyrrolidone, etc. 328.9 ....Polymer derived from ether 327.1 .....6 membered ring containing 5 monomer and 1 nitrogen, 329.1 ....Polymer derived from monomer, e.g., vinyl pyridine, acrylonitrile or etc. methacrylonitrile monomer 327.2 ....Polymer derived from monomer 329.2 .....Interpolymers containing chalcogen as part 329.3 ...... Contains monomer having two of heterocyclic ring other or more ethylenic groups than solely as cyclic 329.4 ....Polymer derived from anhydride of ethylenically acrylamide or methacrylamide unsaturated dicarboxylic acid monomer 327.3 .....Three membered chalcogen 329.5 ....Polymer derived from ring monomer, e.g., oxirane, carboxylic acid or derivative etc. monomer other than: vinyl 327.4 ....Polymer derived from acetate; or acrylic-or- carboxylic acid anhydride methacrylic-acid, or monomer derivatives 327.5 .....Sulfur containing chemical 329.6 .....Butene dioic acid or treating agent derivative monomer 327.6 .....Nitrogen containing chemical 329.7 ....Polymer derived from acrylic treating agent other than or methacrylic acids, acid unsubstituted ammonium as sole halides or salt monomers nitrogen 329.8 .....Sulfur or phosphorus 327.7 .....Esterified, i.e., containing chemical treating preparation of COOR linkage agent 327.8 .....Hydrolyzed; neutralized; or 329.9 .....Nitrogen containing chemical metal containing chemical treating agent treating agent 330.1 .....Esterified, i.e., 327.9 ....Polymer from unsaturated preparation of COOR linkage petroleum hydrocarbon fraction 330.2 .....Hydrolyzed; neutralized; or as monomer metal containing chemical 328.1 ....Polymer derived from treating agent acetylenic monomer 330.3 ....Polymer derived from acrylic 328.2 ....Polymer derived from monomer or methacrylic esters, or containing nitrogen other vinyl acetate monomer than: unsubstituted ammonium, 330.4 .....Sulfur or phosphorus acrylonitrile, acrylamide, containing chemical treating methylolacrylamide and the agent corresponding methacryl 330.5 .....Nitrogen containing chemical materials treating agent 328.3 .....At least one monomer 330.6 .....Alcoholized; containing two or more transesterified; hydrolyzed; ethylenic groups or metal containing chemical 328.4 .....Monomer containing two or treating agent; e.g., more nitrogen atoms, or two or saponified, etc. more nitrogen containing 330.7 ....Polymer derived from halogen monomers monomer 328.5 ....Polymer derived from sulfur 330.8 .....At least one monomer monomer contains two or more ethylenic 328.6 ....Polymer derived from ketone groups monomer

April 2011 525 - 16 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

330.9 ...... Vulcanized or crosslinked, 333.6 .....Nitrogen containing chemical in the presence of a chemical treating agent treating agent, e.g., cured, 333.7 ....Polymer derived from acyclic etc. hydrocarbon monomer only 331.1 ...... Nitrogen containing 333.8 .....Air, elemental oxygen, ozone chemical treating agent or peroxide chemical treating 331.2 ...... Halogen containing chemical agent treating agent 333.9 .....Sulfur containing chemical 331.3 ...... Nitrogen containing treating agent chemical treating agent 334.1 .....Halogenated polymer 331.4 .....Monomer contains chlorine 337 ...Chemical treating agent 331.5 ...... Vinyl chloride or contains boron or boron- vinylidene chloride containing compound other than 331.6 ...... Halogen containing boron trihalide or nonmetal chemical treating agent complex thereof 331.7 ....Ethylene-propylene 338 ...Chemical treating agent terpolymer, e.g., EPT, EPDM, contains elemental hydrogen or EPR, etc. an elemental hydrogen- 331.8 .....Sulfur containing chemical liberating compound, e.g., treating agent hydrogenation, etc. 331.9 ....Polymer derived from monomer 339 ....Treating in the presence of containing at least two an elemental metal or ethylenic groups or diene inorganic metallic compound rubber 340 ...Chemical treating agent 332.1 .....Monomer contains non- contains a phosphorus atom conjugated diene group or at 341 ....Contains a sulfur atom least one fused or bridged 342 ...Chemical treating agent ring or at least one contains a silicon atom cycloaliphatic structure 343 ...Chemical treating agent 332.2 ...... Divinyl benzene contains a sulfur atom 332.3 .....Halogen containing chemical 344 ....Inorganic sulfur compound treating agent contains sulfur atom bonded to 332.4 ...... Sulfur containing chemical at least two oxygen atoms treating agent 345 ....With peroxide, ozone, or free 332.5 .....Vulcanized in the presence oxygen of a chemical treating agent, 346 ....With sulfur-free organic e.g., cured, crosslinked, etc. compound 332.6 ...... Sulfur containing chemical 347 .....Sulfur-free organic compound treating agent contains heterocyclic nitrogen 332.7 ...... Nitrogen containing 348 ....Sulfur-containing chemical treating agent heterocyclic compound 332.8 .....Interpolymer with aliphatic 349 .....Heterocyclic ring contains hydrocarbon monomer (includes sulfur and nitrogen atoms additional diene monomer) 350 ....Mercaptan or mercaptide 332.9 .....Interpolymer with aromatic 351 ....Organic compound contains hydrocarbon sulfur and nitrogen atoms 333.1 .....Isoprene or diene rubber 352 .....One or more sulfur atoms of other than butadiene rubber the nitrogen-containing 333.2 .....Butadiene homopolymer compound are double bonded to 333.3 ....Polymer derived from aromatic carbon hydrocarbon monomer, e.g., 353 ....Sulfur compound contains styrene, etc. sulfur atom bonded to at least 333.4 .....Halogenated polymer two oxygen atoms, e.g., 333.5 .....Sulfur containing chemical sulfonate, etc. treating agent

April 2011 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 525 - 17 520 SERIES

354 ....Elemental sulfur or inorganic 368 ...... Metal oxide sulfur compound 369 ...... Metal hydroxide 355 ...Chemical treating agent 370 ....Contains Group IB (Cu, Ag, contains hydrogen halide, Au), IIB (Zn, Cd, Hg), IIIA elemental halogen, organic (Al, Ga, In, Tl), IV (Ti, Zr, halogen-containing compound, Hf, Ge, Sn, Pb), and VIII (Fe, or compound containing only Co, Ni, Ru, Rh, Pd, Os, Ir, Pt) halogen atoms elemental metal or compound 356 ....Treating in the presence of thereof elemental halogen 371 .....Elemental metal or inorganic 357 .....Treating in the presence of compound thereof a metal or metal-containing 372 ...... Metal oxide compound 373 ...... Group IIB metal (Zn, Cd, 358 .....Treating in the presence of Hg) oxide water 374 ...Chemical treating agent is a 359.1 ....Treating in the presence of nitrogen-containing compound organic halogen-containing 375 ....Contains nitrogen atom in a compound heterocyclic ring 359.2 .....Organic halogen-containing 376 ....Nitrogen-containing compound compound contains a hetero has at least one nitrogen-to- ring nitrogen bond 359.3 .....Organic halogen-containing 377 ....Nitrogen-containing compound compound contains oxygen contains at least one nitrile 359.4 ...... Organic halogen-containing or isonitrile group; or a compound contains a (C=O)O nitrogen-to-oxygen bond which group or an aromatic group is other than as an amine or 359.5 .....Organic halogen-containing ammonium salt compound contains only carbon, 378 ....Ammonia, ammonium hydroxide, hydrogen, and halogen or salts thereof 359.6 ...... Organic halogen-containing 379 ....Organic amine compound contains an aromatic 380 .....Amine contains a hydroxyl group group 360 ...Chemical treating agent 381 .....Three or more amine groups contains elemental metal or 382 .....Two amine groups metal-containing compound 383 ...Chemical treating agent 361 ....Two or more diverse elemental contains elemental oxygen or or compounds thereof; oxygen-containing compound or same metal in two or more 384 ....Oxygen compound contains at distinct compounds; or diverse least one alcohol group metals in same compound 385 ....Oxygen compound contains an 362 .....Elemental metal or inorganic ether group compound thereof only 386 ....Oxygen compound is a 363 ...... Aluminum or Group IIB (Zn, carboxylic acid, ester, Cd, Hg) metal or compound anhydride, or lactone thereof thereof 387 ....Oxygen compound contains a 364 .....Organometallic compound and peroxy group (-O-O-) elemental metal or inorganic 388 ....Specified oxygen-containing compound thereof compound is air, elemental 365 ...... Aluminum metal or compound oxygen, or ozone thereof 389 ..Solid polymer derived from 366 ....Contains Group IA (Li, Na, K, reactant containing atoms Rb, Cs, Fr) or Group IIA (Be, other than C, H, N, Si, P, Mg, Ca, Sr, Ba, Ra) elemental chalcogen, halogen, or an metal or compound thereof alkali or 367 .....Elemental metal or inorganic in salt form metal compound

April 2011 525 - 18 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

390 ..Solid polymer derived solely 404 ...Mixed with ethylenically from phenolic reactants unsaturated reactant or wherein none of the reactants polymer therefrom contains a plurality of 405 ...Mixed with aldehyde or methylol groups or derivatives aldehyde derivative reactant thereof or polymer therefrom 391 ...Mixed with ethylenically 406 ....Contains amine-, N-C(=X)-, or unsaturated reactant or N-S(=O)- containing reactant polymer derived therefrom (X is chalcogen) 392 ....Unsaturated aromatic reactant 407 ...Mixed with 1,2-epoxy reactant or polymer thereof containing more than one 1,2- 393 ...Mixed with silicon-containing epoxy group per mole or reactant or polymer derived polymer derived therefrom therefrom 408 ...Mixed with carboxylic acid or 394 ...Mixed with -O-C(=O)-O-, hal- derivative or polymer derived C(=O)-O-, or hal-C(=O)-hal therefrom containing reactant or polymer 409 ...Solid polymer derived only derived therefrom from 1,2-epoxy reactants 395 ...Mixed with -N=C=X-containing containing only C, H, and O reactant or polymer therefrom 410 ..Solid polymer derived from (X is chalcogen) hetero-O-cyclic compounds as 396 ...Mixed with 1,2-epoxy sole reactants wherein at containing reactant or polymer least one reactant contains a therefrom, or wherein polymer hetero-O-ring other than contains at least one 1,2- solely as a 1,2-epoxy or epoxy group anhydride, and wherein none of 397 ...Mixed with carboxylic acid or the reactants contains a derivative reactant or polymer plurality of methylol groups derived therefrom or derivatives thereof 398 ..Solid polymer derived from 411 ...Mixed with carboxylic acid or aldehyde, aldehyde derivative, derivative reactant or polymer or liquid polymer thereof as therefrom sole reactant and wherein none 412 ...Mixed with unsaturated of the reactants contains a reactant or polymer therefrom plurality of methylol groups 413 ...Mixed with -O-C(=O)- or hal- or derivatives thereof C(=O)- reactant or polymer 399 ...Mixed with -N=C=X-containing derived therefrom reactant or polymer derived 414 ...Mixed with aldehyde or therefrom (X is a chalcogen) aldehyde derivative or polymer 400 ...Mixed with carboxylic acid or derived therefrom derivative reactant or polymer 415 ...Solid polymer derived from derived therefrom carboxylic acid cyclic ester, 401 ...Mixed with ethylenically e.g., lactone, etc. unsaturated reactant or 416 ..Solid polymer derived from polymer derived therefrom hydrocarbon or halogenated 402 ...Solid polymer derived from hydrocarbon as sole reactant aldehyde or derivative or mixture thereof containing halogen 403 ..Solid polymer is derived from 1,2-epoxy compound containing only one 1,2 epoxy group as sole reactant and wherein none of the reactants contains a plurality of methylol groups or derivatives thereof

April 2011 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 525 - 19 520 SERIES

417 ..Solid polymer derived from 426 .....Mixed with ethylenically heterocyclic materials as sole unsaturated reactant or reactants wherein each of the polymer therefrom heterocyclic materials 427 .....Mixed with aldehyde or contains a hetero ring other aldehyde derivative reactant than solely as a lactam, 1,2- or polymer therefrom epoxy or carboxylic acid 428 ...... Contains amine-, N-C(=X)-, anhydride and wherein none of or N-S(=O)- containing the reactants contains a reactant or polymer thereof (X plurality of methylol groups is chalcogen) or derivatives thereof 429 ...... Contains phenolic reactant 418 ..Solid polymer derived from at or polymer thereof least one carboxylic acid or 430 .....Mixed with a reactant derivative containing a single 1,2-epoxy 419 ...Solid polymer derived from at group per mole or polymer least one lactam; from an derived therefrom amino carboxylic acid or 431 .....Mixed with silicon derivative; or from a containing reactant or polymer polycarboxylic acid or derived from derivative 432 .....Mixed with additional 420 ....Solid polymer derived from an polycarboxylic acid and a amino carboxylic acid or polyamine; amino carboxylic derivative; from a polyamine acid or derivative; polyamine and a polycarboxylic acid or salt of a polycarboxylic acid; derivative; from at least one lactam; or polymer derived lactam; or from a polyamine therefrom salt of a polycarboxylic acid 433 .....Mixed with O-C(=O)-O-, hal- 420.5 .....Solid polymer derived from a C(=O)-, or hal-C(=O)-hal polycarboxylic acid which is a reactant or polymer derived dimer or trimer of an therefrom aliphatic acyclic 434 .....Solid polymer derived from monocarboxylic acid having at hydroxyl group-containing least ten carbon atoms or reactant adducts of unsaturated 435 .....Solid polymer derived from aliphatic acyclic compound containing more than monocarboxylic acids, having two amine groups ten carbon atoms with an 436 .....Solid polymer derived from alpha, beta ethylenically compound containing more than unsaturated carboxylic acid or two carboxylic acid groups or derivative derivatives thereof 421 .....Solid polymer derived from 437 ....Solid polymer derived from reactant containing ethylenic polyhydroxy reactant and unsaturation polycarboxylic acid or 422 ...... Solid polymer derived from derivative reactant; or imide reactant derived from di- or higher 423 .....Mixed with reactant ester of a polycarboxylic acid containing more than one 1,2- as sole reactant epoxy group per mole or 438 .....Mixed with reactant polymer derived therefrom containing more than one 1,2- 424 .....Mixed with -N=C=X reactant epoxy group per mole or or polymer derived therefrom polymer derived therefrom (X is chalcogen) 425 .....Mixed with polycarboxylic acid or derivative and polyhydroxy reactant or polymer therefrom

April 2011 525 - 20 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

439 .....Mixed with O-C(=O)-O-, hal- 440.13 ...... Solid polymer derived from C(=O)-O-, or hal-C(=O)-hal polycarboxylic acid or containing reactant or polymer derivative and a polyhydroxy derived therefrom; or wherein compound is derived from a solid polymer is derived from hydroxy containing carboxylic a hal-C(=O)-hal, O-C(=O)-O-, acid or derivative reactant or hal-C(=O)-O-, a 440.14 ...... Solid polymer derived from polycarboxylic acid or polycarboxylic acid or derivative and a polyhydroxy derivative and a polyhydroxy reactant compound wherein said 440.01 .....Mixed with -N=C=X reactant polycarboxylic acid or or polymer derived therefrom derivative contains three or (X is chalcogen); or wherein more carboxylic acid or solid polymer is derived from derivative groups a -N=C=X reactant and also a 440.15 ...... Solid polymer derived from polycarboxylic acid or polycarboxylic acid or derivative and a polyhydroxy derivative and a polyhydroxy reactant compound wherein said 440.02 ...... Blocked isocyanate reactant polyhydroxy reactant contains or polymer derived therefrom three or more hydroxy groups 440.03 ...... Silicon, phosphorus, or or contains at least one ether halogen containing reactant or group polymer derived therefrom 440.16 ...... Solid polymer derived from 440.04 ...... Heterocyclic containing two or more polycarboxylic reactant or polymer derived acid or derivatives and a therefrom other than as an single polyhydroxy compound anhydride of a polcarboxylic 441 .....Mixed with aldehyde or acid aldehyde derivative reactant 440.05 ...... Sulfur, , or or polymer derived therefrom containing reactant 442 ...... Contains phenolic reactant other than X in a N=C=X group or polymer thereof or polymer derived therefrom 443 ...... Contains an amine-, N- 440.06 ...... Nitrogen containing C(=X)-, or N-S(=O)-containing reactant other than N in a reactant or polymer thereof (X N=C=X group or polymer thereof is chalcogen) 440.07 ...... Reactant contains ethylenic 444 .....Mixed with polycarboxylic unsaturation acid or derivative and 440.071 ...... N=C=X reactant or polymer polyhydroxy reactant or derived therefrom contains polymer thereof ethylenic unsaturation 444.5 ...... Solid polymer derived from 440.072 ...... Polyhydroxy reactant or system contains a reactant contains ethylenic which is a fatty acid glycerol unsaturation ester, a fatty acid or salt 440.08 ...... Fused or bridged ring derived from a naturally system containing, or non-aryl occurring glyceride, tall oil, carbocyclic ring containing or fattly acid derived from reactant tall oil 440.09 ...... Reactant contains an aryl 445 .....Mixed with ethylenically group bonded to an oxygen atom unsaturated reactant or 440.11 ...... N=C=X reactant or polymer polymer therefrom derived therefrom contains 446 .....Mixed with silicon- plural ether linkages containing reactant or polymer 440.12 ...... N=C=X reactant or polymer derived therefrom derived therefrom contains at least one aryl group

April 2011 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 525 - 21 520 SERIES

447 .....Solid polymer derived from 461 ..Solid polymer derived from O- polycarboxylic acid or C(=O)-O- or hal-C(=O)- derivative and a polyhydroxy containing reactant compound derived from reactant 462 ...Solid polymer derived from O- containing ethylenic C(=O)-O- or hal-C(=O)- unsaturation containing reactant and 448 .....Solid polymer derived from polyhydroxy reactant polycarboxylic acid or 463 ....Mixed with reactant derivative and polyhydroxy containing more than one 1,2- compound is derived from two epoxy group per mole or or more polycarboxylic acids polymer derived therefrom or derivatives 464 ....Mixed with silicon-containing 449 ....Mixed with 1,2-epoxy reactant reactant or polymer derived or polymer derived therefrom therefrom 450 ...Solid polymer derived from 465 ....Mixed with aldehyde or hydroxy-containing carboxylic aldehyde derivative reactant acid or derivative reactant or reaction product therefrom 451 ...Solid polymer derived from 466 ....Mixed with polycarboxylic carboxylic acid or derivative acid or derivative and derived from ethylenically polyhydroxy reactants or unsaturated reactant polymer thereof; or di- or 452 ..Solid polymer derived from - higher ester of polycarboxylic N=C=X reactant (X is acid as sole reactant or chalcogen) polymer therefrom 453 ...Solid polymer derived from - 467 ....Mixed with nitrogen- N=C=X reactant and polyhydroxy containing reactant or polymer reactant therefrom 454 ....Mixed with carboxylic acid or 468 ....Mixed with ethylenically derivative reactant or polymer unsaturated reactant or derived therefrom; or with polymer therefrom heterocyclic reactant 469 ....Solid polymer derived from O- containing more than one C(=O)-O- or hal-C(=O)- and heterocyclic ring; or polymer polyhydroxy reactant derived therefrom from at least two polyhydroxy 455 ....Mixed with ethylenically reactants unsaturated reactant or 470 ....Solid polymer derived from O- polymer therefrom C(=O)-O- or hal-C(=O)- 456 ....Mixed with aldehyde or reactant and polyhydroxy aldehyde derivative reactant reactant contains an atom or polymer therefrom other than C, H, O, or halogen 457 ....Mixed with -N=C=X reactant or bonded to a C(=O) group polymer therefrom 471 ..Solid polymer derived from 458 .....Contains polyhydroxy ketone reactant and wherein reactant; or additional none of the reactants forming polymer derived from -N=C=X the solid polymer contains an and polyhydroxy reactant aldehyde group or is an 459 ....Solid polymer derived from - aldehyde-type reactant or N=C=X reactant and polyhydroxy polymer derived therefrom reactant also derived from polyamine reactant 460 ....Solid polymer derived from - N=C=X reactant and polyhydroxy reactant derived from polyhydroxy reactant containing an ether group

April 2011 525 - 22 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

472 ..Solid polymer derived from 482 ....Phenolic-aldehyde or aldehyde or aldehyde-type phenolic-aldehyde-type reactant and wherein none of reaction product modified with the reactants forming the 1,2-monoepoxide prior to solid polymer contains a mixing with reactant phenol-, amine-, -N=C=X, -N- containing more than one 1,2 S(=O)- or ketone group or a epoxy group per mole or condensate thereof except when polymer derived therefrom an amine group appears in 483 .....Contains sulfur-containing hexamethylenetetramine or a reactant or polymer therefrom derivative thereof (X is 484 .....Contains nitrogen reactant chalcogen) or polymer therefrom 473 ...Solid polymer derived from 485 ....With specified material aldehyde or aldehyde-type 486 .....Specified material contains reactant containing atoms nitrogen other than C, H, or O and 487 ....With silicon-containing wherein when reactant or polymer derived hexamethylenetetramine or therefrom derivative is a reactant, 488 ....With carboxylic acid or there is additionally present derivative reactant or polymer a reactant containing atoms derived therefrom other than C, H, or O 489 ....With additional aldehyde or 474 ..Solid polymer derived from aldehyde-type reactant or silicon-containing reactant polymer therefrom which is 475 ...Mixed with aluminum- or heavy distinct from aldehyde or metal-containing reactant or aldehyde-type reactant used in polymer therefrom forming solid polymer or SICP; 476 ...Mixed with reactant containing or with nitrogen-containing more than one 1,2-epoxy group reactant per mole or polymer derived 490 ....Wherein phenolic-aldehyde or therefrom phenolic-aldehyde-type solid 477 ...Mixed with silicon-containing polymer or SICP contains reactant or polymer therefrom nitrogen or ethylenic 478 ....Wherein one of said silicon unsaturation materials contains Si-H bond 491 ...Mixed with additional aldehyde 479 ...Mixed with ethylenically or aldehyde-type reactants unsaturated reactant or which are part of a SPFI polymer derived therefrom system or polymer thereof 480 ..Solid polymer or specified 492 ....Additional material is a intermediate condensation hydrocarbon-aldehyde- or product derived from at least hydrocarbon-aldehyde-type one phenolic reactant and at polymer, condensate, or least one aldehyde or reactants therefrom aldehyde-type reactant or 493 ....Additional material is polymer therefrom ketone-aldehyde- or ketone- 481 ...Mixed with reactant containing aldehyde-type polymer, more than one 1,2-epoxy group condensate, or reactants per mole or polymer derived thereof therefrom 494 .....Contains nitrogen-containing reactant or polymer therefrom

April 2011 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 525 - 23 520 SERIES

495 ....Additional material is amine- 508 ...Mixed with carboxylic acid- or , N-C(=X)-, or N-S(=O)- derivative-containing chemical containing reactant- aldehyde treating agent or -aldehyde derivative 509 ..Solid polymer or SICP derived polymer, condensate, or from at least one amine-, N- reactants therefrom (X is C(=X)- or N-S(=O) containing chalcogen) reactant and at least one 496 .....Contains 1,2-epoxy- aldehyde or aldehyde-type containing reactant or polymer reactant (X is chalcogen) derived therefrom 510 ...Mixed with reactant containing 497 .....Heterocyclic nitrogen more than one 1,2-epoxy group reactant or polymer therefrom, per mole or polymer derived e.g., melamine, etc. therefrom 498 .....-N-C(=X)-N-containing 511 ....With specified material reactant or polymer, e.g., 512 ....Amine-, N-C(=X)- or N-S(=O)- urea, etc. (X is chalcogen) containing reactant (X is 499 .....Contains sulfur reactant or chalcogen) aldehyde or a - polymer therefrom aldehyde-type condensation 500 ....Wherein the phenolic- product or polymer thereof aldehyde- or phenolic- contains atoms other than C, aldehyde-type solid polymer or H, O, N, or S SICP is derived from a 513 ....With sulfur-containing reactant or polymer containing reactant or polymer therefrom an atom other than C, H, or O 514 ....With carboxylic acid or 501 ....Additional phenol-aldehyde- derivative reactant or polymer or -aldehyde-type polymer, derived therefrom condensation product or 515 ...Mixed with additional aldehyde reactants therefrom or aldehyde-type solid 501.5 ...Mixed with reactant which is a polymer; or SICP; or aldehyde fatty acid glycerol ester, a or aldehyde-type reactant fatty acid or salt derived 516 ....Contains a phenolic reactant from a naturally occurring or polymer thereof glyceride, tall oil, or a 517 ....Amine-, N-C(=X)- or N-S(=O)- fatty acid derived from tall containing reactant-aldehyde oil; or the reaction product or -aldehyde-type polymer or of any of the above with a condensation product contains polycarboxylic acid or ester atoms other than C, H, O, N, or forming derivative and a S (X is chalcogen) polyhydroxy compound 517.5 ...Mixed with a reactant which is 502 ...Mixed with unsaturated a fatty acid glycerol ester, a reactant or polymer derived fatty acid or salt derived therefrom from a naturally occurring 503 ...Mixed with aldehyde or glyceride, tall oil, or a aldehyde-type chemical fatty acid derived from tall treating agent oil; or the reaction product 504 ...Mixed with nitrogen-containing of any of the above with a chemical treating agent polycarboxylic acid or ester 505 ...Mixed with sulfur-containing forming derivative and a chemical treating agent polyhydroxy compound 506 ...Mixed with a boron- or 518 ...Mixed with unsaturated polyvalent metal-containing reactant or polymer derived chemical treating agent therefrom 507 ...Mixed with an 1,2-epoxy- 519 ...Mixed with carboxylic acid or containing chemical treating derivative reactant or polymer agent therefrom

April 2011 525 - 24 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

520 ....Contains -N=C=X reactant or 537 ...Solid polymer derived from polymer therefrom (X is sulfide and chalcogen) halogenated aromatic reactant, 521 ..Solid polymer or SICP derived e.g., polyarylene sulfide, from at least one ketone etc. reactant and at least one 538 ..Solid polymer derived from aldehyde or aldehyde phosphorus-containing reactant derivative reactant 539 ..Solid polymer derived from at 522 ...Mixed with reactant containing least one unsaturated reactant more than one 1,2-epoxy group and at least one saturated per mole or polymer derived reactant therefrom 540 ..Solid polymer derived from 523 ..Solid polymer contains more nitrogen-containing reactant than one 1,2-epoxy group or is derived from reactant containing at least one 1,2- epoxy group CROSS-REFERENCE ART COLLECTIONS 524 ...Mixed with a reactant containing more than one 1,2- 901 RADIAL BLOCK epoxy group per mole or 902 CORE-SHELL polymer derived therefrom 903 INTERPENETRATING NETWORK 525 ....Wherein at least one of said 904 ACTIVATION OF PREFORMED POLYMER 1,2-epoxy reactants or polymer IN ABSENCE OR MONOMER, FOR derived therefrom contains SUBSEQUENT POLYMERIZATION atoms other than C, H, or O THEREON (E.G., TRAPPED 526 .....Contains nitrogen atom RADICALS) 527 .....Contains halogen atom 905 POLYPHENYLENE OXIDE 528 ...Mixed with -N=C=X-containing 906 POLYSULFONE reactant or polymer therefrom 907 POLYCARBODIIMIDE 529 ...Mixed with unsaturated 908 POLYMER CONTAINING A HYDANTOIN reactant or polymer derived GROUP therefrom 909 POLYMER HAVING A HETEROCYCLIC 530 ....Wherein unsaturated reactant RING WITH AT LEAST THREE is a carboxylic acid or DIFFERENT ELEMENTS WITHIN THE derivative or polymer derived RING therefrom 910 POLYMER FROM ETHYLENIC MONOMERS 531 .....Wherein unsaturated reactant ONLY, HAVING TERMINAL contains only one free UNSATURATION carboxyl group 911 POLYMER FROM ETHYLENIC MONOMERS 532 .....Contains polyol reactant or ONLY, HAVING TERMINAL polymer derived therefrom FUNCTIONAL GROUP OTHER THAN 533 ...Mixed with carboxylic acid or UNSATURATION derivative reactant or polymer 912 POLYMER FROM NONETHYLENIC therefrom MONOMERS ONLY, HAVING PENDANT 534 ..Solid polymer derived from UNSATURATED GROUP phenolic reactant 913 POLYMER FROM MONOMERS ONLY HAVING 535 ..Solid polymer derived from PENDANT GLYCIDYL GROUP sulfur-containing reactant 914 POLYMER FROM CONJUGATED DIENE 536 ...Solid polymer derived from HYDROCARBON OR sulfur dioxide and HALOHYDROCARBONS HAVING MORE ethylenically unsaturated THAN 50 PER CENT 1,2- reactant MICROSTRUCTURE 915 POLYMER FROM MONOETHYLENIC CYCLIC HYDROCARBON

April 2011 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 525 - 25 520 SERIES

916 POLYMER FROM ETHYLENIC MONOMERS 937 UTILITY AS BODY CONTACT (IMPLANT, ONLY, HAVING CATIONIC GROUP CONTACT LENS, I.U.D., ETC.) 917 POLYMER FROM AT LEAST ONE 938 POLYMER DEGRADATION NONETHYLENIC MONOMER HAVING 939 MULTIPACKAGE SYSTEM CATIONIC GROUP 940 HYDROGENATION OF A POLYMER 918 POLYMER PREPARED BY CATIONIC 941 POLYMER MIXTURE CONTAINING BLOCK POLYMERIZATION COPOLYMER IS MIXED OR REACTED 919 IONOMER RESINS (CARBOXYLATE SALT- WITH CHEMICAL TREATING AGENT CONTAINING COPOLYMERS) 942 POLYMER DERIVED FROM NITRILE, 920 POLYURETHANE HAVING TERMINAL CONJUGATED DIENE AND AROMATIC ETHYLENIC UNSATURATION CO-MONOMERS 921 POLYESTER HAVING TERMINAL ETHYLENIC UNSATURATION OTHER THAN POLYESTERURETHANES 922 POLYEPOXIDE POLYMER HAVING BEEN FOREIGN ART COLLECTIONS REACTED TO YIELD TERMINAL ETHYLENIC UNSATURATION FOR 000 CLASS-RELATED FOREIGN DOCUMENTS 923 AMINOPLAST HAVING TERMINAL ETHYLENIC UNSATURATION 924 PHENOPLAST HAVING TERMINAL ETHYLENIC UNSATURATION 925 POLYMER FROM AT LEAST ONE NONETHYLENIC MONOMER HAVING TERMINAL ETHYLENIC UNSATURATION OTHER THAN POLYURETHANES, POLYESTERS, POLYEPOXIDES, AMINOPLASTS, AND PHENOPLASTS 926 POLYAMIDE CONTAINING A PLURALITY OF OXYALKYLENE GROUPS 927 POLYAMIDE ADMIXED WITH OXYALKYLENE-CONTAINING POLYMER 928 POLYIMIDE OR POLYAMIDE-ACID FORMED BY CONDENSATION OF A POLYAMINE WITH A POLYCARBOXYLIC ACID HAVING AT LEAST THREE CARBOXYL GROUPS OR DERIVATIVES THEREOF 929 POLYIMIDE FORMED BY ADDITION OF POLYAMINE TO AN UNSATURATED BIS-IMIDE 930 REACTION PRODUCT OF A POLYHYDRIC PHENOL AND EPICHLOROHYDRIN OR DIEPOXIDE, HAVING A MOLECULAR WEIGHT OF OVER 5,000 (E.G., PHENOXY RESINS) 931 BLEND OF STATED INCOMPATIBILITY 932 BLEND OF MATCHED OPTICAL PROPERTIES 933 BLEND OF LIMITED GAS PERMEABILITY 934 POWDERED COATING COMPOSITION 935 MATRIX ADMIXED WITH SYNTHETIC FIBER 936 ENCAPSULATED CHEMICAL AGENT

April 2011 525 - 26 CLASS 525 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

April 2011