Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
02/1998
02/17/1998US5719314 Process for the preparation of isobornyl (meth)acrylate
02/17/1998US5719313 Catalyst comprising source of cations of group viii metals, specified halogenated phosphine, source of protons
02/17/1998US5719312 Process for the preparation of 5-formylvaleric acid and 5-formylvalerate ester
02/17/1998US5719311 Reacting an alcohol and an acid or anhydride using an acidic catalyst in solid phase and controlling reaction conditions so that reactants and products are in gas-liquid two-phase equilibrium
02/17/1998US5719310 Pesticides
02/17/1998US5719309 Process for preparing 4-bromomethyl-3-methoxy-benzoic esters
02/13/1998CA2212733A1 Process for the preparation of halogenated (meth)acrylic esters and poly(meth)acrylates obtained with said (meth)acrylic esters
02/12/1998WO1998005620A1 Integrated process for the production of vinyl acetate and/or acetic acid
02/12/1998WO1998005618A2 Olefin hydroformylation process in a two-phase system
02/12/1998CA2262561A1 Olefin hydroformylation process in a two-phase system
02/12/1998CA2232185A1 Integrated process for the production of vinyl acetate and/or acetic acid
02/11/1998CN1173170A Matrix metalloprotease inhibitors
02/11/1998CN1172798A Synthetic method for gamma halogenated butyric ester
02/11/1998CN1172797A Method for preparing methacrylic acid methyl ester and ethyl ester and ethyl ester
02/10/1998US5717128 Preparation of alkylesters of 0,0-dialkyl-4-phosphono-2-methyl-2-butenoic acid and alkyl esters of 4-halo-2-methyl-2-butenoic acid containing a high percentage of E isomers
02/10/1998US5717039 Functionalization of polymers based on Koch chemistry and derivatives thereof
02/10/1998CA2125781C Vinyl acetate catalyst preparation method
02/10/1998CA2006410C Herbicide composition
02/05/1998WO1998004599A1 Process for decomposing a polymer to its monomer or monomers
02/05/1998WO1998004543A1 Improved process for the synthesis of protected esters of (s)-3,4-dihydroxybutyric acid
02/05/1998DE19631322A1 Verfahren zur Hydroformylierung von Olefinen im Zweiphasensystem A process for the hydroformylation of olefins in the two-phase system
02/05/1998CA2261726A1 Process for decomposing a polymer to its monomer or monomers
02/04/1998EP0822178A1 New rhein derivatives and new processes for producing rhein derivatives
02/04/1998EP0822177A1 Process for producing rhein and diacerhein
02/04/1998EP0822173A1 A new process for the manufacture of 1,3-cyclohexanedione
02/04/1998EP0821707A1 Process for producing polytetramethylene ether glycol diester on aluminium magnesium silicate catalysis
02/04/1998EP0821662A1 Recovery of acetic acid from dilute aqueous streams formed during a carbonylation process
02/04/1998EP0741684B1 Process for preparing carboxylic acids by carbonylation of ethers and thioethers
02/04/1998CN1172101A Process for distillation of crude ester in DMT/PTA process
02/03/1998US5714642 Resolution of immixtures of stereoisomeric alcohols
02/03/1998US5714628 Preparation of glutaric acid derivatives
02/03/1998US5714624 Oxotitanium complex, asymmetric hydrogenation catalyst comprising the complex, and process for producing β-hydroxy ketone or α-hydroxy carboxylic acid ester using the complex
02/03/1998US5714623 Process for the preparation of carboxylic acids and esters thereof by oxidative cleavage of unsaturated fatty acids and esters thereof
02/03/1998US5714568 By-product inhibition, discoloration inhibition
02/03/1998CA1339655C Polyols
02/01/1998CA2210021A1 A new process for the manufacture of 1,3-cyclohexanedione
01/1998
01/29/1998WO1998003526A1 Methods for producing polyol fatty acid polyesters using atmospheric or superatmospheric pressure
01/29/1998WO1998003470A1 Novel method for preparing aromatic amides and intermediates therefor
01/29/1998WO1998003461A1 Purification of esterified propoxylated glycerin fat substitutes
01/29/1998WO1998003460A1 Process for the preparation of alkyl carboxylates
01/28/1998EP0820429A1 Recovery of dimethyl terephthalate from polymer mixtures
01/28/1998CN1171391A Process for preparation of acetic acid
01/28/1998CN1037190C Process for producing desulfurized fats and oils or fatty acid esters
01/27/1998US5712410 Gas phase crystallization of dimethyl terephthalate
01/27/1998US5712226 Optically active D-pyridyloxy phenoxy propionate herbicides
01/22/1998DE19628835A1 Production of poly:tetra:methylene-ether glycol di:ester
01/21/1998CN1171098A process for carbonylation of ethylene and catalyst system for use thereof
01/21/1998CN1170709A Method for recovering useful materials from saponified waste lye
01/20/1998US5710344 Process to prepare a linear aldehyde
01/20/1998US5710341 Preparation of α-chloroalkyl aryl ketones
01/20/1998US5710339 Bisphosphines as catalysts for asymmetric reactions
01/20/1998US5710338 Synthesis of and hydroformylation with fluoro-substituted bidentate phosphine ligands
01/20/1998US5710337 Synthesis of and hydroformylation with fluoro-substituted bidentate phosphine ligands
01/20/1998US5710325 Manufacture of adipic acid
01/20/1998US5710318 Fluid bed process for the acetoxylation of ethylene in the production of vinyl acetate
01/20/1998US5710317 Preparation of difluoroacetic acid fluoride and difluoroacetic acid esters
01/20/1998US5710316 Transesterification process for making allyl esters of aromatic carboxylic acids
01/20/1998US5710315 Depolymerization
01/20/1998US5710314 Microbicides
01/20/1998US5710310 Carbonation of phenols by reaction of phosgene with phenol
01/20/1998US5710306 Reacting a phosphphorochlorodite with hydoxy compound containing fused ring and hydrohalogenation
01/20/1998US5710296 Process for preparing phenyl esters
01/20/1998CA2116098C Asymmetric syntheses
01/20/1998CA1339635C New nitrogen containing peroxycarboxylic monopersulfates
01/20/1998CA1339634C Process for the preparation of 4-demethoxydaunomycinone, the aglycone of 4-demethoxy-daunorubicin
01/15/1998WO1998001416A1 Method for producing 2-fluoro-iso butyric acid esters
01/15/1998WO1998001113A1 Lubrication assistant and process for the preparation of ethyl stearate used therein
01/15/1998DE19725802A1 Preparation of 3,3,3-tri:fluoro-2-hydroxy-2-methyl propionic acid,
01/15/1998CA2259433A1 Lubrication assistant and process for the preparation of ethyl stearate used therein
01/14/1998CN1170401A Preparation of cinnamate sunscreen agents
01/14/1998CN1170373A Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide for olefin isomerization
01/14/1998CN1170372A Aluminosilicate carrier for metathesis catalysts
01/14/1998CN1169983A Process for continuous production of aryl carbonates
01/14/1998CN1169982A Preparation of p-formacyl phenylethyl ester
01/14/1998CN1169981A Refinement of dimethyl terephthalate
01/14/1998CN1169980A Preparation of alkyl phenol polyoxyvinyl ether benzoate
01/14/1998CN1169979A Preparation of tricetate glyceride
01/14/1998CN1169978A Process for isolation of 2-keto-L-gulonic acid
01/13/1998US5708246 To esters
01/08/1998WO1998000389A1 2-hydroxypropionic acid derivative and its manufacturing method
01/08/1998WO1998000388A1 2-substituted succinate esters
01/08/1998WO1998000387A1 Mixture of esters and use thereof
01/08/1998WO1998000383A1 Process for the preparation of cyclohexanedimethanol
01/08/1998WO1998000375A1 Asymmetric hydrogenation method of a ketonic compound and derivative
01/08/1998WO1998000232A1 Palladium-gold catalyst vinyl acetate production
01/08/1998DE19626458A1 Production of ester(s) of natural fatty acids and non-volatile alcohol(s)
01/07/1998EP0816341A1 Process for the preparation of chiral succinic acid derivatives
01/07/1998EP0816322A1 Fragrance precursors
01/07/1998EP0815935A2 Process for reacting a liquid with a gas
01/07/1998EP0815085A1 Thiocarbamoyl compounds
01/07/1998EP0815070A1 Method of producing 3-pentenic acid esters by carbonylation of alkoxybutenes
01/07/1998EP0783481A4 Transesterification reaction of alkoxylated bisphenol-a and methyl methacrylate
01/07/1998EP0777642A4 Solid catalyst
01/07/1998EP0688322B1 Oxidation of ketones
01/07/1998CN1169712A Tricyclocarboxylate, method for preparing same and perfume comprising same
01/07/1998CN1169421A Method for separation of crude ester in dimethyl terepthalate
01/07/1998CN1169420A Method for preparing bicyclohexyl phthalate
01/07/1998CN1169419A Process for preparation of alkyl halodifluoroacetates
01/07/1998CN1169418A Manufacture of polyene esters and acids
01/07/1998CN1169412A Esterification process