Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
10/1993
10/19/1993US5254721 Process for producing cyclohexyl acetate
10/19/1993US5254720 Reacting aryl substituted olefin, water or alcohol, carbon monoxide in presence of palladium/copper complex catalyst
10/19/1993US5254719 Esterification, crystallization and recrystallization for removal of cobalt and manganese catalyst residues
10/19/1993US5254714 Enantioselective
10/19/1993US5254705 Process for producing desulfurized fats and oils or fatty acid esters and process for producing alcohols by using said desulfurized fats and oils or fatty acid esters
10/19/1993CA1323463C Polymeric or polymerisable aromatic-aliphatic ketones suitable for use as polymerisation photoinitiators
10/19/1993CA1323377C Process for the preparation of bisphenol-bisacrylates
10/19/1993CA1323376C Polyfluorinated amino-alcohols and esters thereof; process for preparing the same and their use as lubricant additives
10/19/1993CA1323358C Production of olefins
10/16/1993CA2093989A1 Reagent and catalytic process for clearing a protected function
10/13/1993EP0565487A2 Liquid antioxydants as stabilisers
10/13/1993EP0565199A2 Carbonylation process using palladium phosphine catalyst
10/13/1993EP0565146A2 Use of a thioester for preparing pharmaceutical compositions for the treatment of ischemia and reperfusion syndromes
10/13/1993EP0564919A1 Process for the preparation of derivatives of cinnamic acid
10/13/1993CN1077140A Production of alkenyl alkanoate catalysts
10/13/1993CN1022420C Catalytic composition for isomerization of paraffinic hydrocarbons
10/12/1993US5252473 Production of esters of lactic acid, esters of acrylic acid, lactic acid, and acrylic acid
10/12/1993CA1323041C Process for preparing alkyl halides
10/09/1993CA2093610A1 Supported catalyst, process for its preparation and its use for the preparation of vinyl acetate
10/08/1993CA2093294A1 Process for the preparation of cinnamic acid derivatives
10/06/1993EP0564406A1 Ferrocenyldiphosphine as ligands for homogeneous catalysts
10/06/1993EP0563414A1 Process for producing a catalyst for the production of Alkenyl alkanoates
10/06/1993EP0563401A1 Process for producing halomethyl ester of aliphatic carboxylic acid
10/06/1993EP0563388A1 Recovery of optical isomer and solvent in optical resolution, reuse of solvent by recycling, and reuse of optical isomer
10/06/1993CN1076936A Decayl alkohol mixtunes and phthalate produced thereby
10/06/1993CN1076875A Catalysts and processes for the manufacture of vinyl acetate
10/06/1993CN1022321C Process for concentrating urea solution and installation for carrying out process
10/06/1993CN1022317C Process for purifying distillation of crude secbutyl alcohol
10/06/1993CN1022316C Process catalyzed oxidation for preparing mixtures of alcohols and ketones from alkane
10/05/1993US5250729 Vapor phase catalytic deetherification or dehydroxylation of alpha- or beta-hydroxy or alkoxy esters using crystalline aluminum silicate zeolites and mild conditions
10/05/1993US5250722 Taxane derivatives, their preparation and use in oncology
10/05/1993US5250686 Process for producing triazine compounds
10/05/1993US5250487 Washing roasted support particles with acid to remove binder cations before impregnating with palladium, gold and/or cadmium, treating with base, impregnating with alkali metal compound
10/05/1993CA1322795C Process for extracting organic composites and solutions and aqueous suspensions thereof
10/05/1993CA1322767C Process for the production of pure dimethylether
10/05/1993CA1322764C Dehydration of organic oxygenates
10/05/1993CA1322744C Alkylation of polycyclic aromatic compounds to alkylates enriched in the para-substituted isomers
09/1993
09/30/1993DE4209324A1 Prepn. of branched hydrocarbon cpds. - by reaction of unsatd. fatty acid or ester or olefin, with halogen cpd., using metal salt catalyst, for use in lubricants and additives for synthetics and prepn. of polyamide(s)
09/29/1993EP0562643A2 7-Substituted-hept-6-enoic and -heptanoic acids and derivatives thereof
09/29/1993EP0562504A2 Process for the continuous preparation of C1 to C4 alkyl esters of higher fatty acids
09/29/1993EP0562451A2 Mixtures of decyl alcohols, phthalic acid esters obtained from them and their application as plasticisers
09/29/1993EP0562450A2 Mixtures of decyl alcohols, phthalic acid esters obtained from these and their application as plasticisers
09/29/1993EP0562343A1 Process for the preparation of esters of beta-hydroxycarboxylic acids
09/29/1993EP0562139A1 Process for preparation of lower fatty acid ester
09/29/1993EP0561985A1 Process for the preparation of derivatives of 3,5-dihydroxy pentanoic acid
09/29/1993EP0308438B1 Liquid crystal phase containing tolanes
09/29/1993CN1076687A Process for the continuous production of c1 to c4 alcyl esters of higher fatty acids
09/29/1993CN1022255C Process for preparing high heating value city gas used methyl alcohol as stock
09/29/1993CN1022240C Process for producing perfluoro-carbonyl fluoride
09/29/1993CN1022238C Purification of acetic acid with ozone
09/28/1993US5248819 Process for recovering methacrolein
09/28/1993US5248427 Removal of water from mixtures with alcohols and/or carboxylic acids and/or carboxylic esters
09/28/1993CA2092041A1 Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as plasticizers
09/28/1993CA2092040A1 Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as plasticizers
09/22/1993EP0561614A2 Process for producing alpha, beta-unsaturated carboxylic acid esters
09/22/1993EP0561264A2 Improved process for the production of methylmethacrylate monomer from acetoncyanhydrin
09/22/1993EP0561213A1 Process for the production of neopentylglycol hydroxypivalate
09/21/1993US5247124 Process for the preparation of substituted styrenes
09/21/1993US5247122 Thermosetting coating compositions
09/21/1993US5247114 Compositions for skin care
09/21/1993CA1322378C Removal of formaldehyde from aqueous solutions of 2-butyne-1,4-diol
09/17/1993EP0639175A4 Process for producing 2-(dialkyloxy methyl)-carboxylic acid esters.
09/16/1993WO1993018082A1 Branched aromatic carbonate polymer
09/16/1993WO1993017994A1 Hydroxy derivatives of cyclohexadiene
09/16/1993WO1993017993A1 Thin film oligomerization of hydroxycarboxylic acid compositions
09/16/1993WO1993017671A1 Treatment and prophylaxis of diseases caused by parasites, or bacteria
09/16/1993CA2131024A1 Treatment and prophylaxis of diseases caused by parasites, or bacteria
09/15/1993EP0560407A1 Pharmaceutically active compounds
09/15/1993EP0436691B1 Process for the continuous preparation of light acrylates
09/15/1993EP0419610B1 New leukotriene b4 derivatives, process for producing them and their use as drugs
09/15/1993CN1076187A Process for preparing high-purity monostearin
09/14/1993US5245062 Process for the production of ketone compounds
09/14/1993US5245050 Anticholesterol agents
09/14/1993CA1322203C Process for preparing fluorinated c_ to c_ hydrocarbons and novel cyclic fluorinated hydrocarbons and their use as propellant gas and working fluid for heat pump systems
09/14/1993CA1322193C Process for acetic acid preparation and heterogeneous catalyst for same
09/08/1993EP0559239A1 Methods of producing and preserving alkylene glycol monosorbates
09/08/1993EP0559018A1 Taxane derivatives, their preparation and use in oncology
09/08/1993EP0558974A1 Process for manufacturing unsaturated fatty acids
09/08/1993CN1022046C Chemical composition and use as fuel additives
09/07/1993US5243076 Adrenergic stimulant intermediates
09/07/1993CA1322066C Process for preparing unsaturated nitrogen containing acids
09/07/1993CA1321973C Method for producing high purity quaternary ammonium hydroxides
09/04/1993CA2089279A1 Branched aromatic carbonate polymer
09/02/1993WO1993017150A1 Electrocatalytic asymmetric dihydroxylation of olefinic compounds
09/02/1993WO1993016969A1 Polyfluoroalkylation of aromatic compounds
09/01/1993EP0558454A1 Condensates and their use as alkoxylation agents
09/01/1993EP0558415A1 Method of improving a smooth oxidation reaction
09/01/1993EP0393088B1 Process for the co-production of aromatic carboxylates and alkyl iodides
09/01/1993CN1075711A A method of preparing carboxylic acids or esters thereof by the oxidative cleavage of unsaturated fatty acids or esters thereof
09/01/1993CN1075632A Alkoxylated phenyl and coumarin derivatives and application thereof
08/1993
08/31/1993US5241106 Process for producing ethyl acetate
08/31/1993US5241103 Process for producing 1,4-dihydroxy-2-arylnaphthoate
08/31/1993US5240567 Separation of vinyl acetate from methyl acrylate by extractive distillation
08/31/1993CA1321798C Preparation of polyfluorobutenes
08/31/1993CA1321797C Process for preparing telomers from chlorotrifluoroethylene and 1,1-dibromo-1- chlorotrifluoroethane
08/31/1993CA1321796C Process for preparing 3(4),8(9)-bis-(aminomethyl)-tricyclo [5.2.1.0___]decane
08/31/1993CA1321795C Certain 2-(2-substituted benzoyl)-4-(substituted oxy or substituted thio)-1,3-cyclohexanediones
08/28/1993CA2090375A1 Method for enhancing an oxidation reaction
08/25/1993EP0556681A1 Process for the preparation of esters of omega-formylalkanoic acids
08/25/1993EP0556424A1 Process for decolorizing fatty acid ester and food or cosmetic composition containing the same