Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
11/1997
11/26/1997CN1165810A Synthesis and application of fluoro-alky (or hydoxyl) substituted acrylate
11/26/1997CN1165809A Tech. for prodn. of dimethyl oxalate
11/25/1997US5691267 Two step gold addition method for preparing a vinyl acetate catalyst
11/20/1997WO1997043242A1 Process for the production of 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran
11/20/1997WO1997043230A1 Method for organic reactions
11/20/1997DE19619647A1 New hydrophilic tri:glyceride derivative for dubbing leather
11/20/1997CA2255914A1 Process for the production of 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran
11/20/1997CA2205671A1 Process for the preparation of esters of aromatic carboxylic acid
11/19/1997EP0807615A1 Pressed articles of pyrogenically prepared silicon dioxide
11/19/1997EP0807100A1 Tricyclocarboxylate, method for preparing the same and perfume comprising the same
11/19/1997EP0582668B1 Chiral tridentate bis(phospholane) ligands
11/19/1997CN1165133A Method for preparing trimethylhydroquinone
11/18/1997US5688993 Using catalyst mixture
11/18/1997US5688434 Imide-aromatic peroxyacids as bleaching agents
11/13/1997WO1997042153A1 Soluble magnesium catalyst for preparation of dihydroxy esters
11/12/1997EP0806471A1 Process for the production of fatty acid ethyl esters
11/12/1997EP0806407A2 Reduction of carbonyl impurities in alpha, beta-unsaturated acids and esters
11/12/1997EP0806406A1 Process for separating crude ester in the DMT process
11/12/1997EP0805800A1 Method for preparing (+)compactin and (+)mevinolin analog compounds having a beta-hydroxy-delta-lactone grouping
11/12/1997CN1164851A Selective process for deacylation of acylated compounds
11/12/1997CN1164529A Process for preparing diaryl carbonate
11/12/1997CN1164528A Continuous preparation of alkyl esters of (meth) acrylic acid
11/12/1997CN1036377C Method for production of alkenyl alkanoate catalysts
11/11/1997US5686586 Polycyclic aromatic derivatives, process for preparing the same and pharmaceutical and cosmetic compositions containing the same
11/11/1997CA2077372C Catalytic system and its application for oxydehydrogenation of saturated carboxylic acids and oxydation of aldehydes into acids
11/11/1997CA1339539C Process for the preparation of halogenated polyethers
11/11/1997CA1339538C Process for the preparation of fluorohalogenated ethers starting from fluorooxy-compounds and halogenated olefins
11/07/1997CA2204576A1 Reduction of carbonyl impurities in alpha, beta-unsaturated acids and esters
11/06/1997WO1997041088A1 Process for preparing monoesters of 1,3-diols
11/05/1997EP0805210A2 Process for the isolation of 2-keto-L-gulonic acid
11/05/1997EP0805141A2 Process for the preparation of esters of thermically unstable acids
11/05/1997EP0805132A1 Method of producing styrene derivatives
11/05/1997EP0804407A1 Process for preparing refined acrylic esters
11/05/1997EP0804402A1 Organic compounds and processes for their manufacture
11/05/1997EP0804399A1 Method for olefin hydroformylation in a biphasic medium
11/05/1997EP0804146A1 Polyglycerine polyricinoleates
11/05/1997EP0695290B1 N-fluorosulphonimides, method of preparing them and their use as fluorination agents
11/05/1997EP0563388B1 Recovery of optical isomer and solvent in optical resolution, reuse of solvent by recycling, and reuse of optical isomer
11/05/1997CN1163883A Utilization of residue in DMT refining process
11/05/1997CN1036351C Lubricant oil
11/04/1997US5684186 Process for production of phenyllactic acid derivative
11/04/1997US5683618 Mixtures of esters, ketones or nitriles for lubricants for stability
10/1997
10/30/1997WO1997040004A1 2-hydroxy-5-alkyl-beta-methylstyrene and process of preparing hydroxyarylaldehydes therefrom
10/29/1997EP0803494A1 Process for destillation of crude ester in the DMT/PTA process
10/29/1997EP0803493A2 Process for producing 4-substituted-2-butenals
10/29/1997EP0802897A1 Novel compounds
10/29/1997EP0695287B1 Fullerene derivatives, methods of preparing them and their use
10/29/1997CN1163260A Process for preparing pure alkyl acetate alkyl ester
10/29/1997CN1036248C Process for recovering rhodium from distillationr esidues of products of oxo synthesis
10/28/1997US5681979 Process for the producing of alkylcyclopentanone derivatives
10/28/1997US5681939 Direct esterification of propoxylated glycerin
10/27/1997CA2175125A1 Method of producing styrene derivatives
10/23/1997WO1997038964A1 Process for the carbonylation of ethylenically unsaturated compounds
10/23/1997WO1997038963A1 Process for the manufacture of alkyl 2-(6-methoxy-naphthyl)propionates
10/23/1997WO1997038790A1 A two step gold addition method for preparing a vinyl acetate catalyst
10/22/1997EP0802175A1 Process for preparation of dialkyl oxalate
10/22/1997EP0772666A4 Process for the removal of dissolved metallic catalyst from ester products
10/22/1997CN1162954A Preparation of carboxylic acids or related esters by carbonylation in the presence of iridium
10/22/1997CN1162591A Continuous preparation of alkyl esters of (meth) acrylic acid
10/21/1997US5679833 Reacting an alcohol with a 3-haloalkyl acid halide in anhydrous medium using hydrogen halide acceptor and water scavenger
10/21/1997US5679832 Method for making α,β-unsaturated-β-trifluoromethyl-carboxylates and related compounds
10/21/1997US5679831 Carbonylation of an internally unsaturated organic compound using a complex containing a bidentate organic ligand and a bis/cyclopentadienyl/ coordination group
10/21/1997US5679830 Method of producing pivaloylacetic acid ester
10/21/1997US5679809 Concentrate of polyunsaturated fatty acid ethyl esters and preparation thereof
10/16/1997WO1997037962A1 Improved method for transesterification
10/16/1997WO1997037759A1 Catalyst and process for the preparation of vinyl acetate
10/16/1997CA2221868A1 Improved method for transesterification
10/15/1997EP0801050A1 Process for the preparation of acetic acid
10/15/1997EP0656880B1 Chemical process
10/15/1997EP0594608B1 Chiral catalysts for enantioselective synthesis
10/15/1997EP0542967B1 Process for producing a triglyceride mix free of components hampering further processing
10/14/1997US5677473 Process for the preparation of branched chain fatty acids and alkyl esters thereof
10/14/1997CA2090423C Method of preparing diacetyl rhein
10/14/1997CA2064412C Alkenyl alkanoate catalyst process
10/09/1997WO1997036853A1 Dimethyl-substituted cyclohexane diene derivatives
10/09/1997WO1997036847A1 Liquid crystal compounds, liquid crystal compositions containing the compounds, and liquid crystal display devices made by using the compositions
10/09/1997WO1997036679A1 Honeycomb catalyst for vinyl acetate synthesis
10/09/1997WO1997036678A1 A method of preparing a vinyl acetate catalyst employing an alkali metal borate
10/09/1997DE19613791A1 Katalysator und Verfahren zur Herstellung von Vinylacetat Catalyst and process for the production of vinyl acetate
10/09/1997CA2250154A1 Dimethyl-substituted cyclohexane diene derivatives
10/09/1997CA2249187A1 A method of preparing a vinyl acetate catalyst employing an alkali metal borate
10/08/1997EP0799816A1 Organotin catalyzed transesterification
10/08/1997EP0799807A2 Method for dispersion of cement and cement composition
10/08/1997EP0799180A1 Process for the carbonylation of ethylene and catalyst system for use therein
10/08/1997EP0799173A1 Carbonylation of olefins
10/08/1997EP0799091A1 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide for olefin isomerization
10/08/1997EP0799090A1 Aluminosilicate carrier for metathesis catalysts
10/08/1997CN1161322A Process for producing butyl acrylate
10/08/1997CN1161251A Use of hydrogen-bis (oxalato) borate
10/07/1997US5675036 Process for preparing aromatic amide compound
10/07/1997US5675034 Process for preparing 2-(p-fluorophenyl)-2 methyl-propionic acid and 3-(p-fluorophenyl)-2-methylpropionic acid derivatives
10/07/1997US5675032 Process for the preparation of specific polyethylene glycol di (2-(4-chloro-2-methylphenoxy)-propionic acid ester mixtures
10/07/1997US5674949 Liquid-phase fluorination
10/07/1997US5674800 Reacting ethylene, acetic acid and oxygen in the vapor phase using catalyst of palladium, potassium and cadmium on a porous support obtained by impregnating with a salt solution rather with an atomizing spray
10/02/1997WO1997035832A1 Process for the carbonylation of acetylenically unsaturated compounds
10/02/1997WO1997035831A1 Process for preparing alkoxylated fatty acid alkyl esters
10/02/1997WO1997035830A1 Process for preparing alkoxylated fatty acid alkyl esters
10/02/1997WO1997035829A1 Method for preparing acetic acid and/or methyl acetate by methyl formate isomerisation
10/02/1997WO1997035828A1 Method for preparing acetic acid and/or methyl acetate by isomerisation and carbonylation
10/02/1997WO1997035827A1 Production of acetic acid from methane