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Petroleum Jelly Cream Vaselin Enthaltende Creme Creme De Petrolatum

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Petroleum Jelly Cream Vaselin Enthaltende Creme Creme De Petrolatum ~™ mil iiiiii illinium nun (19) J European Patent Office Office europeen des brevets (11) EP 0 716 593 B1 (12) EUROPEAN PATENT SPECIFICATION (45) Date of publicationation and mention (51) |nt. CI.6: A61 K 7/48 of the grant of the patent: 09.12.1998 Bulletin 1998/50 (86) International application number: PCT/EP94/02793 (21) Application number: 94926870.0 (87) International publication number: (22) Date of filing: 23.08.1994 WO 95/06458 (09.03.1995 Gazette 1995/11) (54) PETROLEUM JELLY CREAM VASELIN ENTHALTENDE CREME CREME DE PETROLATUM (84) Designated Contracting States: (72) Inventors: CH DE ES FR GB IT LI NL SE • ROSE, Walter New Haven, CT 06511 (US) (30) Priority: 01.09.1993 US 115490 • ZIMMERMAN, Amy, Christine Ansonia, CT 06401 (US) (43) Date of publication of application: 19.06.1996 Bulletin 1996/25 (74) Representative: Evans, Jacqueline Gail Victoria (73) Proprietors: Unilever pic • UNILEVER PLC Patent Division London EC4P 4BQ (GB) Colworth House Designated Contracting States: Sharnbrook GB Bedford MK44 1 LQ (GB) • UNILEVER N.V. 3013 AL Rotterdam (NL) (56) References cited: Designated Contracting States: EP-A- 0 262 681 EP-A- 0 295 411 CH DE ES FR IT LI NL SE US-A- 3 852 475 CO CO <7> IO CO Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in o a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. Q_ 99(1) European Patent Convention). LU Printed by Xerox (UK) Business Services 2.16.6/3.4 1 EP 0 716 593 B1 2 Description material may conveniently range from 1 to 10% by weight, optimally from 3.5 to 5% by weight of the com- The invention relates to a cosmetic emulsion based position. upon petroleum jelly. A fourth essential component of cosmetic composi- Petroleum jelly is one of the oldest skin treatment s tions according to the present invention is that of a Ci2- products still in commerce today. For over 100 years, C15 alkyl lactate. Amounts of the lactate will generally the Chesebrough Company and its successors have range from 0.1 to 10%, preferably from 3 to 8%, opti- sold this substance under the brand, Vaseline®. There mally from 4 to 6% by weight of the composition. The is good reason for the longevity of this product. Its occlu- alkyl lactate is necessary in conjunction with the alumi- sive and healing properties render this product espe- 10 num starch octenylsuccinate to achieve an adequate cially efficacious against dry and damaged skin. gliding feel for the product on the skin. If petroleum jelly has any drawbacks, it undoubtedly When combining Dry-Flo® into the cosmetic com- involves the greasy nature of the substance. Petroleum position, it is preferable to add the material into the jelly can rub off on clothes or anything else it comes into petroleum jelly and maintain the combination at a tem- contact with. 15 perature between 38°C and 1 00°C, preferably between US-A-3 852 475 discloses compositions for topical 75°C and 80°C. This heat treatment allows the Dry- application containing petroleum jelly and a hydropho- Flo® to undergo a controlled swelling which absorbs the bic starch comprising an aluminum salt of a low substi- petroleum jelly yielding the non-greasy effect. tuted starch half-ester of octenyl succinic acid. The Advantageously, cosmetic compositions of the inclusion of said starch reduces the greasy appearance 20 present invention may also include a microcrystalline and feel normally associated with such petroleum jelly wax (in addition to any present naturally in the petro- containing compositions. leum jelly). Amounts of the added microcrystalline wax The present invention provides a cosmetic compo- may suitably range from 0. 1 to 1 0%, preferably from 0.5 sition comprising: to 2%, optimally from 0.8 to 1 .5% by weight of the com- 25 position. A preferred microcrystalline wax is Microwax (i) petroleum jelly; 1275W/W44®. Beyond the aforementioned essential components, (ii) water; the cosmetic compositions of the present invention may also include other ingredients typically found in cos- (iii) aluminum starch octenylsuccinate; and 30 metic formulations. Among these ingredients are emol- lients, solvents, humectants, thickeners, preservatives, (iv) a C12-C15 alkyl lactate. fragrances and vitamins. Emollients may be such materials as C8-C30 fatty Such a cosmetic composition may contain a sub- alcohols, C8-C30 fatty acids, triglyceride oils, silicone stantial amount of petroleum jelly but is, nevertheless, 35 oils and a variety of esters. Illustrative are stearyl alco- relatively non-greasy. hol, cetyl alcohol, stearic acid, isopropyl palmitate, iso- Cosmetic compositions according to the present propyl myristate, lanolin, sunflower oil, evening primrose invention provide essentially the same moisturising, oil, soybean oil, dimethyl polysiloxane and dimethyl protecting and restoring properties against dry skin as polycyclosiloxane. Amounts of the emollient may typi- would 1 00% petroleum jelly and furthermore have good 40 cally range from 0.5 to 20% by weight of the composi- phase stability and pleasing aesthetics. tion. Most preferred is a mixture of stearyl alcohol and The present inventors have found that a combina- cetyl alcohol. tion of aluminum starch octenylsuccinate and an alkyl Solvents may include ethyl alcohol and isopropa- lactate can combine with an agueous emulsion of petro- nol. Among the humectants may be included glycerin, leum jelly to obtain a non-greasy skin protective prod- 45 diglycerin, sorbitol, ethylene glycol, polyethylene glycol, uct. propylene glycol, polypropylene glycol and butylene gly- Accordingly, the main hydrophobic component of col. Most preferred is a 1:1 mixture of glycerin and dig- the composition will be petroleum jelly. This substance lycerin. will generally be present in an amount from at least 30% Thickeners may be selected from such materials as up to 95%, preferably between 30 and 50% by weight of so crosslinked polyacrylates available under the Car- the composition. bopol® trademark, celluloses such as sodium car- Water will suitably be present in an amount from 10 boxymethylcellulose, hydroxyethylcellulose, to 65%, preferably from 45 to 65% by weight. hydroxypropylcellulose and methyl cellulose, and natu- Essential to the invention of removing the greasy ral gums such as xanthan, carrageenan and pectin aspect of petroleum jelly is the presence of aluminum 55 gums. Most preferred are the crosslinked polyacrylates, starch octenylsuccinate, available under the trademark especially Carbopol 934® available from the B.F Dry-Flo® from the National Starch and Chemical Com- Goodrich Company. pany, Bridgewater, New Jersey. The amount of this Powders may be such materials as chalk, talc, Full- 2 3 EP 0 716 593 B1 4 ers earth, kaolin, starch, colloidal silica, smectites clays, EXAMPLE 2 montmorillonite clays and chemically modified magne- sium aluminum silicates. Among the preservatives useful are methyl paraben, propyl paraben, EDTA salts, potassium sorb- COMPONENT WEIGHT % ate, potassium benzoate and DMDM hydantoin. Petroleum Jelly 30.0 Cosmetic compositions of the present invention may also contain vitamin ingredients such as Vitamin A Carbopol 934® (2% soln.) 8.0 Vitamin E Niacin, Vitamin C and palmitate, acetate, Diethylene Glycol Dioctanoate 5.0 combinations thereof. Emulsif iers could also be useful for purposes of the Dry-Flo® 5.0 present invention. These emulsif iers may be alkoxylated C12-C15 Alkyl Lactate 3.5 C8-C30 fatty acids and fatty alcohols. Examples of such 1414-E® materials are polyoxyethylene (4) lauryl ether, polyox- Cetiol 3.5 yethylene (8) monostearate, polyoxyethylene (10) cetyl Glycerin 2.0 ether and polyoxyethylene (20) stearyl ether. A particu- Microwax 1275® 1.0 larly preferred emulsif ier is Myreth-3-Myristate® availa- ble commercially as Cetiol 1414-E®. Triethanolamine 0.6 In order that the invention be well understood, may Glydant Plus® 0.1 the following examples are given by way of illustration only. All parts, percentages and proportions referred to Disodium EDTA 0.05 herein and in the appended claims are by weight of the Water Balance total composition unless otherwise stated. EXAMPLES 25 EXAMPLE 3 Cosmetic emulsions according to the present invention are outlined in Examples 1-3 below. COMPONENT WEIGHT % Example 1 Petroleum Jelly 40.0 Carbopol 934® (2% soln.) 8.0 Dry-Flo® 8.0 COMPONENT WEIGHT % C12-C15 Alkyl Lactate 2.0 Petroleum Jelly 30.0 Cetiol 1414-E® 1.5 Carbopol 934® (2% soln.) 1 5.0 Cetearyl Alcohol 1 .3 Dry-Flo® 5.0 Microwax 1275® 0.5 C12-C15 Alkyl Lactate 5.0 Glycerin 0.5 Cetiol 1414-E® 3.5 Diglycerin 0.5 Cetearyl Alcohol 2.4 Triethanolamine 0.4 Microwax 1275® 1.0 Ethylene Brassylate 0.15 Glycerin 1 .0 Glydant Plus® 0.1 Diglycerin 1 .0 Vitamin E Acetate 0.1 Triethanolamine 0.8 Disodium EDTA 0.01 Ethylene Brassylate 0.15 Water Balance Glydant Plus® 0.1 Vitamin E Acetate 0.1 Disodium EDTA 0.05 Claims 55 Water Balance 1 . A cosmetic composition comprising: (i) petroleum jelly; 3 5 EP 0 716 593 B1 6 (ii) water; zwischen 3,5 und 5 Gew.-% vorliegt. (iii) aluminum starch octenylsuccinate; and (iv) a C12-C15 alkyl lactate. 6. Zusammensetzung nach einem der Anspriiche 1 bis 5, worin das Alkyllactat in einer Menge von 0,1 2. A composition according to claim 1 wherein the 5 bis 10 Gew.-% vorliegt. petroleum jelly is present in an amount from 30 to 95% by weight. 7. Zusammensetzung nach einem der Anspriiche 1 bis 6, weiterhin umfassend 0,1 bis 10 Gew.-% eines 3. A composition according to claim 1 or 2 wherein the im UberschuB zu jeglichem, in der Vaseline natiir- water is present in an amount of from 1 0 to 65% by 10 lich vorliegendem mikrokristallinen Wachses.
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