Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
11/2004
11/17/2004EP1476788A2 Fluorinated molecules and methods of making and using same
11/17/2004EP1476433A1 Novel tricycloimidazoline derivatives, method for production and use thereof as medicaments
11/17/2004EP1476417A1 Processes for the preparation of a carobxylic anhydride and use of the carboxylic anhydride as an acylation agent
11/17/2004EP1476237A1 Method for lactic acid oligomerization
11/17/2004EP1305275B1 Method for producing tert-butyl esters of aliphatic c1-c4-carboxylic acids
11/17/2004EP1206435B1 Process for the recovery of organic acids
11/17/2004EP1117631B1 Process for the preparation of ethyl acetate
11/17/2004EP0915077B1 Polymerizable adamantane derivatives and process for producing the same
11/17/2004CN1546485A Method for separating tea polyphenol mixture
11/17/2004CN1546481A Huivastatin, its synthesizing method and preparation with huivastatin as materials
11/17/2004CN1176059C Quantitative separation of esterified and etherified ferulaic acid and cumaric acid in stalk cell walls
11/16/2004US6818799 Process for removing tar from spent acid
11/16/2004US6818792 Preparation and/or working-up of polymerizable compounds using at least one liquid ring pump, wherein working liquid which contains a material stream from preparation and/or working-up ofpolymerizable compound is used liquid ring pump
11/16/2004US6818791 Method for producing higher (meth)acrylic acid esters
11/16/2004US6818790 Process for producing mixed gas of lower olefin and lower aliphatic carboxylic acid, and process for producing lower aliphatic ester using the mixed gas
11/16/2004US6818789 Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one
11/16/2004US6818786 Process for the preparation of ethyl 3-ethoxy-4-ethoxycarbonyl-phenylacetate
11/16/2004US6818244 Diacetyl tartaric acid esters of mono- and diglycerides based on C12 to C22 fatty acids
11/16/2004US6818026 Reacting an oil or fat with an alcohol in the presence of a solid basic catalyst such as sodium carbonate, in which one of the reactants is in a supercritical state at a temperature exceeding 260 degrees celcius; use in diesel fuel
11/11/2004WO2004096956A2 Low foaming, lubricating, water based emulsions
11/11/2004WO2004096749A1 Citric acid ester
11/11/2004WO2004096744A2 Aldehyde and alcohol compositions derived from seed oils
11/11/2004WO2004085344A3 Production of oxy-michael adducts
11/11/2004US20040225160 Process for functionalizing a double bond
11/11/2004US20040225149 by Michael's addition; by-product inhibition; noncatalytic reaction; decomposition using alcohol
11/11/2004US20040225142 alcoholate catalytic rearrangement of sunflower, safflower, or corn oil; high purity, saponification number
11/11/2004US20040222236 Method of supplying ambient gas
11/11/2004DE19718245C5 Synthetische Triglyceride auf Basis konjugierter Linolsäure, Verfahren zu deren Herstellung und deren Verwendung Synthetic triglycerides based on conjugated linoleic acid, processes for their preparation and their use
11/11/2004DE19545870B4 Verfahren zur Herstellung der (Meth)acrylsäureester von Kohlehydraten A process for the preparation of the (meth) acrylic acid esters of carbohydrates
11/10/2004EP1475364A1 Method for distilling (meth)acrylic acid and/or the ester thereof
11/10/2004EP1475362A1 New method for making photocurable halofluorinated acrylates
11/10/2004EP1261657B1 Poly(3-cyclopropyl-3-hydroxypropionate) and processes for its preparation and derivatives thereof
11/10/2004CN1545496A Processes for the purification of bis(2-hydroxyethyl)terephthalate
11/10/2004CN1544413A Methyl eicosapentaenoic acid preparing and purifying method from pavlova viridis
11/10/2004CN1544411A complexing agent adding depression batch fractionating process for purifying linalyl acetate
11/10/2004CN1544410A Method of aldehyde oxidation and esterification to produce carboxylic ester with ionic liquid in existence
11/10/2004CN1174974C Synthesis of ester ether compound with high acidolysis activity
11/09/2004US6815394 Palladium-based catalysts
11/04/2004WO2004094442A2 Asymmetric catalysts prepared from optically active bisphosphites bridged by achiral diols
11/04/2004WO2004094361A1 PROCESS FOR PRODUCING β-HYDROXYESTER
11/04/2004WO2004094360A1 Method for the hydration of a monoolefinically unsaturated compound carrying at least two functional groups
11/04/2004WO2004094343A1 NOVEL PROCESS FOR STEREOSELECTIVE REDUCTION OF ß-KETOESTERS
11/04/2004WO2004094037A1 Method for purifying spent acid
11/04/2004WO2004080589A3 Copper-based catalysts, process for preparing same and use thereof
11/04/2004WO2004078699B1 Method of producing dimethyl phthalate from naphthalene based chemicals
11/04/2004US20040220434 Process for converting a hydrocarbon to an oxygenate or a nitrile
11/04/2004US20040220347 Immobilized transition metal complexes to catalyze production of enantiomerically enriched alpha- and beta-hydroxycarboxylic esters;enantiomerically enriched chiral nitrogen compound (2 amines), a linker bonded to the micro, meso,or macroporous support, and an anion; oxidation resistance; efficiency
11/04/2004US20040220304 Thermoplastic elastomer compositions containing a phase change solvent and selected processing oils
11/04/2004US20040220165 Process for asymmetrically hydrogenating keto carboxylic esters
11/04/2004US20040220049 Solid rhodium complex hydrogenation catalyst on catalyst support
11/04/2004US20040218700 Digital implementation of multi-channel demodulators
11/04/2004US20040218035 Mixed-media telecommunication call set-up
11/04/2004DE10317545A1 Production of neopentyl glycol hydroxypivalate and neopentyl glycol comprises reacting isobutyraldehyde with formaldehyde and hydrogenating part of the product and disproportionating the rest
11/04/2004CA2523013A1 Method for the hydration of a monoolefinically unsaturated compound carrying at least two functional groups
11/03/2004EP1473286A1 Process for producing biaryl compound
11/03/2004EP1473275A1 Metallized mesoporous silicate and method of oxidation with the same
11/03/2004EP1472217A2 Method for producing perfluoroalkane sulfonic acid esters and the salts thereof
11/03/2004EP1472211A1 Emollients and cosmetic compositions
11/03/2004EP1472210A1 Methods for producing substituted acrylic acid esters and use of the latter for producing substituted $g(g)-amino acids
11/03/2004EP1472201A2 Method for the separation of acids from chemical reaction mixtures by means of ionic fluids
11/03/2004EP1226105A4 Method for preparing chiral ester
11/03/2004EP1189863B1 Ethylene recovery system
11/03/2004EP1185505B1 Method of producing methoxyimino acetic amide
11/03/2004CN1543468A Processes for preparing calcium salt forms of statins
11/03/2004CN1543115A A method for preventing network address translation (NAT) device from being attacked by network user
11/03/2004CN1173923C Process for preparation of vinyl acetate
11/03/2004CN1173922C Process for producing opitically active cyclopropanecaboxylic acid esters
11/03/2004CN1173921C Apparatus and process for producing methyl methacrylate or methyl acrylic acid with high output rate
11/02/2004US6812368 Diastereoselective hydrogenation of 1,3-hydroxyketones
11/02/2004US6812359 Method and apparatus for preparing fatty acid esters
11/02/2004US6812244 Naphthyl compounds, intermediates, compositions, and methods of use
11/02/2004US6812186 Using reaction product of diisopropylamine and metal hydroxide
11/02/2004US6811722 Catalytic esterification of glycerin with mixture of different carboxylic acids; phthalate-free; vinyl polymers, rubbers, polyurethanes, and acrylics; heat resistance, stability
10/2004
10/28/2004WO2004092114A1 Process for preparing 4-chloro-3-hydroxybutanoic acid ester
10/28/2004WO2004092113A1 Optically active 2-allylcarboxylic acid derivative and process for producing the same
10/28/2004WO2004092106A2 Process for preparing alkoxy- and aryloxy-phenols
10/28/2004WO2004092056A2 Cogeneration of organic compounds with synthesis gas by catalytic partial oxidation
10/28/2004WO2004081169A3 Method of preparing alpha, beta-difluoroacrylic compounds
10/28/2004WO2004080942B1 Process for obtaining fatty acid alkyl esters, rosin acids and sterols from crude tall oil
10/28/2004WO2004050786B1 Method of making methyl ester surfactants
10/28/2004US20040215035 mixing phthalic anhydride with methanol, adding catalyst and promoter, refluxing in benzene forming distillate, separating distillate into aqueous/benzene layers, distilling to recover methanol and residue, neutralizing with caustic soda, extracting with benzene, distilling under vacuum, decolorizing
10/28/2004US20040213881 Taste modifiers comprising a chlorogenic acid
10/28/2004DE10316658A1 Preparation of alkyl 6-hydroxycaproate from alkyl pentenoate comprises hydroformylation to formylvalerate then hydrogenation and separation from mixture of hydroxycarboxylates formed
10/28/2004DE10316466A1 Kühlung und Reinigung von Gasströmen Cooling and cleaning of gas streams
10/28/2004DE10045894B4 Koppelproduktion zweier Ester Combined production of two ester
10/28/2004CA2522224A1 Process for preparing 4-chloro-3-hydroxybutanoic acid ester
10/27/2004EP1470136A1 Method for the separation of acids from chemical reaction mixtures by means of ionic fluids
10/27/2004EP1470105A1 Liquid crystal compounds
10/27/2004EP1469851A1 Melanocortin receptor agonists
10/27/2004CN1541202A Statilisation of ethylenically-unsaturated compounds with amidoximes
10/27/2004CN1539811A Method for synthesizing ethyl ester linoleic acid by catalyzing S 04/T102 solid super strong acid
10/27/2004CN1539810A Method for synthesizing ester by using acid water as catalyzer
10/27/2004CN1539552A Catalyzer in use for synthesizing vinyl acetate, and preparation method
10/27/2004CN1172910C Process for preparing VA derivative
10/27/2004CN1172900C Preparation method of malonate
10/27/2004CN1172899C Process for producing ethyl-acetate from synthetic gas through ethanol and acetic acid
10/27/2004CN1172898C Process for recovery of diacid ester from waste lye from preparation of caprolactam
10/26/2004US6809218 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide
10/26/2004US6809217 Process for the preparation of ethyl acetate
10/26/2004US6809176 Compounds for use in treatment of cancer