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Retention Indices for Frequently Reported Compounds of Plant Essential Oils
Retention Indices for Frequently Reported Compounds of Plant Essential Oils V. I. Babushok,a) P. J. Linstrom, and I. G. Zenkevichb) National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA (Received 1 August 2011; accepted 27 September 2011; published online 29 November 2011) Gas chromatographic retention indices were evaluated for 505 frequently reported plant essential oil components using a large retention index database. Retention data are presented for three types of commonly used stationary phases: dimethyl silicone (nonpolar), dimethyl sili- cone with 5% phenyl groups (slightly polar), and polyethylene glycol (polar) stationary phases. The evaluations are based on the treatment of multiple measurements with the number of data records ranging from about 5 to 800 per compound. Data analysis was limited to temperature programmed conditions. The data reported include the average and median values of retention index with standard deviations and confidence intervals. VC 2011 by the U.S. Secretary of Commerce on behalf of the United States. All rights reserved. [doi:10.1063/1.3653552] Key words: essential oils; gas chromatography; Kova´ts indices; linear indices; retention indices; identification; flavor; olfaction. CONTENTS 1. Introduction The practical applications of plant essential oils are very 1. Introduction................................ 1 diverse. They are used for the production of food, drugs, per- fumes, aromatherapy, and many other applications.1–4 The 2. Retention Indices ........................... 2 need for identification of essential oil components ranges 3. Retention Data Presentation and Discussion . 2 from product quality control to basic research. The identifi- 4. Summary.................................. 45 cation of unknown compounds remains a complex problem, in spite of great progress made in analytical techniques over 5. -
Visible-Light-Driven Photooxidation of Alcohols Using Surface-Doped Graphitic Carbon Nitride
Electronic Supplementary Material (ESI) for Green Chemistry. This journal is © The Royal Society of Chemistry 2017 Visible-Light-Driven Photooxidation of alcohols using surface-doped graphitic carbon nitride Wuyuan Zhang, Anna Bariotaki, Ioulia Smonou, and Frank Hollmann* Material and Methods Materials Unless stated otherwise all chemicals were purchased from Sigma-Aldrich, Fluka, Acros or Alfa-Aesar with the highest purity available and used without further treatment. Synthesis of g-C3N4 and carbon nanodots doped (CD-C3N4) The g-C3N4 was synthesized via the simple calcination (Carbolite furnace; CWF 12/5, 2400 W) of urea (10.0 g) at 600 °C for 4 h (5 °C/min), a yellowish powder was obtained after the cooling to room temperature.1 The carbon nanodots were synthesized via the thermal decomposition of sucrose with slight modification.2 Briefly, 0.75 g of sucrose was dissolved in 30 mL of MilliQ water and stirred at room temperature for 0.5 h. The solution was transferred into a 45 mL Teflon-lined stainless steel autoclave reactor, and heated at 180 °C for 5 h (10 °C/min). After cooling the reactor to room temperature, a brown mixture was obtained. The mixture was centrifuged (8000 rpm for 20 min), and the pellet was washed with water (3×) and freeze-dried. 3 In order to deposit carbon nanodots to the surface of g-C3N4, Liu et al’s procedures were adopted. Firstly, a stock solution of carbon nanodots (1 mg in 25mL water) was prepared. 15.0 mL of this stock solution was mixed with 15.0 mL of NH4OH (28 %) and sealed in a 45 mL Teflon-lined autoclave reactor. -
(12) United States Patent (10) Patent No.: US 7,576,170 B2 Perry Et Al
US00757617OB2 (12) United States Patent (10) Patent No.: US 7,576,170 B2 Perry et al. (45) Date of Patent: Aug. 18, 2009 (54) CYCLIC SILOXANE COMPOSITIONS FOR 6,046,156 A 4/2000 Perry THE RELEASE OF ACTIVE INGREDIENTS 6,054,547 A 4/2000 Perry et al. 6,063,365 A 5, 2000 Schefer et al. (75) Inventors: Robert J. Perry, Niskayuna, NY (US); 6,075,111 A 6/2000 Perry et al. Mark D. Leatherman, Elmsford, NY 6,077.923 A 6/2000 Perry et al. (US); Shahid Murtuza, Albany, NY 6,083,901 A 7/2000 Perry et al. (US) 6,121,343 A 9/2000 Hongo et al. 6,143,309 A 11/2000 Legrow et al. (73) Assignee: Momentive Performance Materials, 6,153,578 A 11/2000 Perry Albany, NY (US) 6,200,949 B1 3/2001 Reijmer et al. 6,228,380 B1 5, 2001 LeGrow et al. (*) Notice: Subject to any disclaimer, the term of this 6,262,287 B1 7/2001 Anderson et al. patent is extended or adjusted under 35 6,267,977 B1 7/2001 LeGrow et al. U.S.C. 154(b) by 993 days. 6,309,715 B1 10/2001 Lindauer et al. 6,322,777 B1 1 1/2001 Perry et al. (21) Appl. No.: 10/742,415 6,325,274 B2 12/2001 Esumi et al. 6,325,859 B1 12/2001 De Roos et al. (22) Filed: Dec. 19, 2003 6,435,423 B2 8/2002 Hurry et al. (65) Prior Publication Data 6,624,136 B2 9, 2003 Guerinet al. -
Akshi Bansal* B. K. Dangarh ABSTRACT KEYWORDS
ORIGINAL RESEARCH PAPER Volume-7 | Issue-1 | January-2018 | PRINT ISSN No 2277 - 8179 INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH OXIDATION STUDY OF 4-METHOXYBENZYL ALCOHOL BY CR (VI) OXIDANTS IN PARTIAL AQUEOUS MEDIUM- A COMPARATIVE STUDY Chemistry Research Scholar, Pacific academy of Higher Education and Research University, Akshi Bansal* Udaipur *Corresponding Author B. K. Dangarh Asstt. Prof. of Chemistry, Govt. P. G. College, Neemuch, M.P. ABSTRACT Oxidation of 4-Methoxybenzyl alcohol by different Cr (VI) oxidants [PDC and PCC] has been studied in acetic acid-H2O medium in the presence of PTSA spectrophotometrically. The reactions are found first order with respect to both the oxidants, [H+], and [substrate].Michaelis-Menten type kinetics is observed. The reaction rate decreases with increasing volume percentage of acetic acid in reaction mixture. The reaction was studied at different temperature [298-318 K] and activation parameters were computed. The oxidation product was identified as Cr (III) and corresponding aldehyde. The oxidation rate order was found with respect to the oxidants are: PCC > PDC KEYWORDS Oxidation, 4-Methoxybenzyl alcohol, PTSA, PCC and PDC. 1. INTRODUCTION The kinetics run were followed for more than 60-70% completion of 4-Methoxybenzyl alcohol (Anisyl alcohol) is used as a fragrance and the reaction and good first order kinetics were observed. flavouring. It occurs naturally but is produced by reduction of anisaldehyde. 3. RESULTS AND DISCUSSION: 3.1 Stoichiometry and product analysis: Kinetics and mechanism of the oxidation of substituted benzyl To determine the stoichiometry of a reaction a known slight excess of alcohols by pyridinium chlorochromate studied by Banerji[1] et al. -
C3gc42589d1.Pdf
Electronic Supplementary Material (ESI) for Green Chemistry. This journal is © The Royal Society of Chemistry 2014 Supporting Information Highly Efficient, NiAu-catalyzed Hydrogenolysis of Lignin into Phenolic Chemicals Jiaguang Zhang, Hiroyuki Asakura, Jeaphianne van Rijn, Jun Yang, Paul Duchesne, Bin Zhang, Xi Chen, Peng Zhang, Mark Saeys* and Ning Yan* Contents 1 Materials ............................................................................................................................................. 3 2 Synthesis of substrates ....................................................................................................................... 3 2.1 Organosolv Lignin ......................................................................................................................... 3 2.2 2‐phenoxy‐1‐phenethanol ........................................................................................................... 3 2.3 2‐(2‐methoxyphenyl)oxy‐1‐phenethanol ..................................................................................... 4 2.4 2‐(2,6‐dimethoxyphenyl)oxy‐1‐phenethanol ............................................................................... 4 2.5 1‐benzyloxy‐2‐methoxybenzene .................................................................................................. 4 3 Catalyst preparation and reaction ...................................................................................................... 4 3.1 Catalyst preparation .................................................................................................................... -
Food and Drug Administration, HHS § 172.515
Food and Drug Administration, HHS § 172.515 Common name Scientific name Limitations Tolu ................................................................ Myroxylon balsamum (L.) Harms. Turpentine ...................................................... Pinus palustris Mill. and other Pinus spp. which yield terpene oils exclusively. Valerian rhizome and roots ............................ Valeriana officinalis L. Veronica ......................................................... Veronica officinalis L .................................................. Do. Vervain, European ......................................... Verbena officinalis L ................................................... Do. Vetiver ............................................................ Vetiveria zizanioides Stapf ......................................... Do. Violet, Swiss ................................................... Viola calcarata L. Walnut husks (hulls), leaves, and green nuts Juglans nigra L. or J. regia L. Woodruff, sweet ............................................. Asperula odorata L ..................................................... In alcoholic beverages only Yarrow ............................................................ Achillea millefolium L .................................................. In beverages only; fin- ished beverage thujone free1 Yerba santa .................................................... Eriodictyon californicum (Hook, et Arn.) Torr. Yucca, Joshua-tree ........................................ Yucca brevifolia Engelm. Yucca, -
Opinion of the Scientific Committee on Consumer Safety on O
SCCS/1575/16 Final version of 6 October 2016 Version S Scientific Committee on Consumer Safety SCCS OPINION ON Phenoxyethanol The SCCS adopted this opinion at its 2nd plenary meeting on 6 October 2016 SCCS/1575/16 Final version of the Opinion on Phenoxyethanol ___________________________________________________________________________________________ About the Scientific Committees Two independent non-food Scientific Committees provide the Commission with the scientific advice it needs when preparing policy and proposals relating to consumer safety, public health and the environment. The Committees also draw the Commission's attention to the new or emerging problems which may pose an actual or potential threat. They are: the Scientific Committee on Consumer Safety (SCCS), the Scientific Committee on Health, Environmental and Emerging Risks (SCHEER) The Scientific Committees review and evaluate relevant scientific data and assess potential risks. Each Committee has top independent scientists from all over the world who are committed to work in the public interest. In addition, the Commission relies upon the work of the European Food Safety Authority (EFSA), the European Medicines Agency (EMA), the European Centre for Disease prevention and Control (ECDC) and the European Chemicals Agency (ECHA). SCCS The Committee, on request of Commission services, provides Opinions on questions concerning health and safety risks (notably chemical, biological, mechanical and other physical risks) of non-food consumer products (e.g. cosmetic products and -
2-Phenoxyethanol
PATIENT INFORMATION SHEET 2-Phenoxyethanol (P-025) Your patch testing results indicate that you have a contact allergy to 2-Phenoxyethanol . It is important that you familiarize yourself with this chemical and take steps to avoid coming in contact with it. i What is 2-Phenoxyethanol and where is it found? This chemical is used as a fixative for perfumes, as well as a bactericide, an insect repellent, a topical antiseptic, a solvent for cellulose acetate, dyes, inks and resins. It can also be found in germicides, pharmaceuticals, cosmetics and in some preservatives. Further research may identify additional product or industrial usages of this chemical. i What else is 2-Phenoxyethanol called? This chemical can be identified by different names, including: 1‐Hydroxy ‐2‐phenoxyethane Emery 6705 Phenoxyl ethanol 2‐hydroxyethyl phenyl ether Ethanol ‐2‐phenoxy Phenoxytol Arosol Ethylene glycol phenyl ether Phenoxetol b‐Hydroxyethyl phenyl ether Ethylene glycol mono phenyl ether Phenoxyethyl alcohol Beta ‐phenoxyethyl alcohol Glycol monophenyl ether Phenylmonoglycol ether Dowanol ep, eph Phenyl cellosolve Rose ether Emeressence 1160 Phenoxethol This may not be a complete list as manufacturers introduce and delete chemicals from their product lines. THINGS YOU CAN DO TO HELP MANAGE YOUR CONTACT ALLERGY Be vigilant read the product label. Always take the time to read the ingredient listing on product packages. This should be your first step each time you purchase a product as manufacturers sometimes change product ingredients. If you have any concerns ask your pharmacist or your doctor. Test the product first. If you have purchased a new product you should test it on a small skin area to see if you get a reaction before using the product on larger skin areas. -
Item Name Ingredients
ITEM NAME INGREDIENTS Collagen Cream -150 Ml Aqua (Water) Cetearyl Alcohol Butylene Glycol Cetearyl Ethylhexanoate Ethylhexyl Stearate Caprylic/Capric Triglyceride Cetearyl Glucoside Soluble Collagen Phenoxyethanol Parfum (Fragrance) Chlorphenesin Polyacrylate-13 Ethylhexylglycerin Polyisobutene Benzoic Acid Hydrolyzed Soybean Fiber Dehydroacetic Acid Sodium Hydroxide Sorbitan Isostearate Polysorbate 20 Sorbic Acid CI 17200 (Red 33) Benzyl Salicylate Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde Alpha-Isomethyl Ionone Citronellol Eugenol Hyaluronic Cream-150 Ml Aqua (Water) Cetearyl Alcohol Hexyl Laurate Diethylhexylcyclohexane Di-PPG-3 Myristyl Ether Adipate Glycerin Avena Sativa (Oat) Kernel Protein Cyclopentasiloxane Cetearyl Glucoside Butyrospermum Parkii (Shea Butter) Phenoxyethanol Cyclohexasiloxane Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Palmitoyl Proline Sodium Hyaluronate Alteromonas Ferment Filtrate Magnesium Palmitoyl Glutamate Sodium Palmitoyl Sarcosinate Parfum (Fragrance) Chlorphenesin Squalane Butylene Glycol Isohexadecane Polysorbate 60 Ethylhexylglycerin Sodium Hydroxide Benzoic Acid Hydroxypropyl Cyclodextrin Dehydroacetic Acid Sorbitan Isostearate Palmitoyl Tripeptide-38 BHT Hexyl Cinnamal Linalool Alpha-Isomethyl Ionon Limonene Hydroxycitronellal Hydroxyisohexyl 3- Cyclohexene Carboxaldehyde Citronellol Silicium Cream -150 Ml Aqua (Water) Glycerin Propanediol Simmondsia Chinensis (Jojoba) Seed Oil Pentaerythrityl Tetraethylhexanoate Glyceryl Stearate Cocoglycerides Dicaprylyl Carbonate Butyrospermum -
Quality Standards Body Care Ingredients Generated on May 5, 2014
Whole Foods Market - Quality Standards Body Care Ingredients Generated on May 5, 2014 This document is intended for internal company use to assist WFM buyers in making purchasing decisions. Products that do not meet the ingredient standards of this document may not be sold within the product category noted above at Whole Foods Market. We reserve the right to add or remove ingredient terms from the quality standards list or to change the acceptable/unacceptable status of any ingredient at any time. For more information about using these lists, please see http://rock.wholefoods.com/?p=1034. Please make sure that you are using a recently updated list; current quality standards lists are available from the Quality Standards website at http://connect/global/qshe/qualitystandards/food. If you have any questions about this list, please contact the quality standards team at [email protected]. Acceptable and unacceptable ingredients for regular (not premium) body care products. Item Name Type Status Qualifier Functions C12-15 alkyl lactate Body Care acceptable surfactant Glyceryl stearate citrate Body Care acceptable emollient 1,2 hexanediol Body Care acceptable solvent 2-carboxy-1methylpyridinium chloride Body Care acceptable skin conditioning agent 2-propanone Body Care acceptable In nail polish remover only solvent AA2G-Ascorbyl Glucoside Body Care acceptable skin lightener, antioxidant Acacia Decurrens/Jojoba/Sunflower Body Care acceptable texturizer Seed Wax/Polyglyceryl - 3 Esters acetamide MEA Body Care acceptable surfactant acetone -
Cigarette Additives, Carcinogens and Chemicals Nicotine
Cigarette Additives, Carcinogens and Chemicals Nicotine A Destructive Natural Pesticide Which ... Is extremely addictive when smoked Is extremely addictive when chewed Causes addiction as permanent as Is harder to quit than heroin or cocaine alcoholism Is not medicine and its use not therapy Is ineffective as a stand-alone quitting aid Prevents pre-cancerous cells from dying Accelerates cancer tumor growth rates Contributes to artery hardening Has a metabolite which may cause cancer May kill brain cells and impair memory Is linked to lung cancer Likely causes brain damage and Is also a fetus destroying teratogen depression Kills half of adult smokers 13-14 years Is beat by never taking another puff or early chew! 81 Cancer Causing Chemicals Have So Far Been Identified in Cigarettes Acetaldehyde Acetamide Acrylamide Acrylonitrile 2-Amino-3,4-dimethyl-3H-imidazo[4,5-f]quinoline (MeIQ) 3-Amino-1,4-dimethyl-5H-pyrido [4,3-b]indole (Trp-P-1) 2-Amino-l-methyl-6-phenyl-1H-imidazo [4,5-b]pyridine (PhlP) 2-Amino-6-methyldipyrido[1,2-a:3',2'-d]imidazole (Glu-P-1) 3-Amino-l-methyl-5H-pyrido {4,3-b]indole (Trp-P-2 2-Amino-3-methyl-9H-pyrido[2,3-b]indole (MeAaC) 2-Amino-9H-pyrido[2,3-b]indole (AaC) 4-Aminobiphenyl 2-Aminodipyrido[1,2-a:3',2'-d]imidazole (Glu-P-2) 0-Anisidine Arsenic Benz[a]anthracene Benzene Benzo[a]pyrene Benzo[b]fluoranthene Benzo[j]fluoranthene Benzo[k]fluoranthene Benzo[b]furan Beryllium 1,3-Butadiene Cadmium Catechol (1,2-benzenediol) p-Chloroaniline Chloroform Cobalt p,p'-DDT Dibenz[a,h]acridine Dibenz[a,j]acridine Dibenz(a,h)anthracene -
2-Phenoxyethanol.Pdf
2-Phenoxyethanol Other names: 1-Hydroxy-2-phenoxyethane; 2-Fenoxyethanol; 2-Hydroxyethyl phenyl ether; 2-Phenoxyethanol; 2-Phenoxyethanol (rose ether); 2-Phenoxyethyl alcohol; Arosol; Dowanol EP; Dowanol eph; Emeressence 1160; Emery 6705; Ethylene glycol monophenyl ether; Ethylene glycol phenyl ether; Fenyl-cellosolve; Fenylcelosolv; Glycol monophenyl ether; NSC 1864; Phenoxethol; Phenoxetol; Phenoxyethanol; Phenoxyethyl alcohol; Phenoxyl ethanol; Phenoxytol; Phenyl cellosolve; Phenylmonoglycol ether; Rose ether; «beta»-Hydroxyethyl phenyl ether; «beta»-Phenoxyethanol; «beta»-Phenoxyethyl alcohol. InChI: InChI=1S/C8H10O2/c9-6-7-10-8-4-2-1-3-5-8/h1-5,9H,6-7H2 InChI Key: QCDWFXQBSFUVSP-UHFFFAOYSA-N Formula: C8H10O2 SMILES: OCCOc1ccccc1 Molecular Weight: 138.16 CAS: 122-99-6 Physical Properties Property Value Unit Source ∆ G° -112.93 kJ/mol Joback Method f ∆ H° -256.37 Joback Method f gas kJ/mol ∆ H° 15.79 Joback Method fus kJ/mol ∆ H° 54.77 Joback Method vap kJ/mol logP 1.06 Crippen Method oct/wat P 4005.77 Joback Method c kPa T 510.20 NIST Webbook boil K T 518.20 NIST Webbook boil K T 719.69 Joback Method c K T 289.39 Joback Method fus K V 0.41 3 Joback Method c m /kg-mol Temperature Dependent Properties Property Value Unit Temperature (K) Source C 245.88 J/mol×K 523.72 Joback Method p,gas C 294.63 298.15 NIST Webbook p,liquid J/mol×K η 0.00 Pa×s 523.72 Joback Method ∆ H 66.00 435.0 NIST Webbook vap kJ/mol Sources Joback Method: https://en.wikipedia.org/wiki/Joback_method NIST Webbook: http://webbook.nist.gov/cgi/inchi/InChI=1S/C8H10O2/c9-6-7-10-8-4-2-1-3-5-8/h1-5,9H,6-7H2 Crippen Method: http://pubs.acs.org/doi/abs/10.1021/ci990307l Legend C : Ideal gas heat capacity (J/mol×K).