Patents for C07C 67 - Preparation of carboxylic acid esters (66,429) |
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05/12/1998 | US5750679 Process for obtaining pharmacologically active compounds from complex mixtures of substances |
05/12/1998 | US5750382 Treating a trans-2-alkoxycyclohexanol with a hydrolase capable of esterifying stereospecifically the r-isomer in the presence of an acyl donor; no hydrolysis; separation from ester |
05/12/1998 | US5750007 Process for the recovery of a carbonylation product |
05/12/1998 | CA2218137A1 Catalyst and process for preparing 2-buten-1-ol compounds |
05/12/1998 | CA2013743C Preparation of glutaric acid derivatives |
05/12/1998 | CA1339862C Optically active cyclopropanecarboxamides |
05/07/1998 | WO1998018553A1 Improved process for the production of supported palladium-gold catalysts |
05/07/1998 | WO1998018329A1 Arthropodicides and process for their preparation |
05/07/1998 | WO1998007809A3 HARD SURFACE CLEANERS COMPRISING β-KETOESTER PRO-FRAGRANCES |
05/06/1998 | EP0840509A2 System and method for accessing data files in a computer network |
05/06/1998 | EP0839794A1 Process for the continuous preparation of an alkyl 5-formylvalerate compound |
05/06/1998 | EP0839793A1 Process for the production of vinyl acetate |
05/06/1998 | EP0839792A1 Process for the production of intermediate for liquid crystal compound |
05/06/1998 | EP0839787A1 Process for the preparation of an aldehyde |
05/06/1998 | EP0839124A1 Process for the continuous carbonylation of olefins |
05/06/1998 | EP0682670B1 Deoxygenation of cis vicinal diols |
05/06/1998 | EP0674614B1 Novel liquid phenolic antioxidants |
05/06/1998 | CN1181060A Alk(En)yl dicarboxylic acid bisesters, their use and method for preparing them |
05/06/1998 | CN1181059A Recovery of dimethyl terephthalate from polymer mixture |
05/06/1998 | CN1180695A Improved oxidation in Witten-Hercules process for preparing dimethyl terephthalate |
05/06/1998 | CN1180694A Technology for preparing propylene-glycol ether acetate by reaction distillation |
05/06/1998 | CN1180693A White, powder, non-hygroscopic fatty acyl lactate and its preparing method |
05/06/1998 | CN1180692A Technology for preparing propylene-glycol monoalky lether carboxylic ester by catalytic distillation |
05/05/1998 | US5747547 Depolymerizing polyethylene terephthalate in countercurrent flow reactor by reaction with superheated methanol; deesterification |
05/05/1998 | CA2152588C Anti-androgenic cyclo and bicyclo alkenes |
04/30/1998 | WO1998017622A1 METHOD FOR PRODUCING α-ALKOXY-α-TRIFLUOROMETHYL-ARYL ACETIC ACID ESTERS AND -ARYL ACETIC ACIDS |
04/30/1998 | WO1998017381A1 Method for carrying out reactions characterized by an equilibirum |
04/30/1998 | CA2269133A1 Method for producing .alpha.-alkoxy-.alpha.-trifluoromethyl-aryl acetic acid esters and -aryl acetic acids |
04/29/1998 | EP0837848A1 4-aryl-1-phenylalkyl-1,2,3,6-tetrahydropyridines having neurotrophic and neuroprotective activity |
04/29/1998 | EP0724558B1 Process for the carbonylation of acetylenically unsaturated compounds |
04/29/1998 | CN1180075A Method for preparing polyglycol ester abietate |
04/29/1998 | CN1180067A Method for simultaneously-synthesizing hydroxy-acetic methylester and methoxyl acetic methylester |
04/28/1998 | US5744648 Catalytic reduction of resorcinol compound |
04/28/1998 | US5744637 Carboxylic acid accelerated formation of diesters |
04/28/1998 | US5744636 Process for the production of ethylidene diacetate from dimethyl ether using a heterogeneous catalyst |
04/28/1998 | US5744635 Preparation process for beta-alkoxy acrylic acid |
04/28/1998 | US5744632 Process for crystallizing L-α-aspartyl-L-phenylalanine methyl ester |
04/28/1998 | US5744628 Process for the preparation of esters of aromatic carboxylic acids |
04/28/1998 | US5744435 Perfumes for laundry and cleaning compositions |
04/28/1998 | US5744021 2-alkylmercapto-4-(trifluoromethyl)benzoic esters and a process for their preparation |
04/28/1998 | CA2026504C Lubricant oil compositions |
04/23/1998 | WO1998016495A1 Processes for the preparation of dicarboxylic acid monoesters |
04/23/1998 | WO1998016494A1 A process for the preparation of vinylesters |
04/23/1998 | WO1998016487A1 1s to 1r epimerizations of pyrethroid intermediates |
04/23/1998 | DE19643592A1 Verfahren zur Herstellung von alpha-Alkoxy-alpha-trifluormethyl-arylessigsäureestern und -arylessigsäuren Arylacetic esters alpha-alkoxy-alpha-trifluoromethyl--arylessigsäuren and process for the preparation of |
04/23/1998 | DE19643479A1 Production of polyethylene terephthalate from waste PET |
04/23/1998 | DE19643165A1 Verfahren zur Durchführung von durch ein Gleichgewicht gekennzeichneten Reaktionen Process for carrying out reactions characterized by an equilibrium |
04/23/1998 | CA2268275A1 A process for the preparation of vinylesters |
04/22/1998 | EP0837049A1 A process for preparing monomers |
04/22/1998 | EP0741686B1 New leukotriene b4 derivatives, methods of preparing them and their use as drugs |
04/22/1998 | EP0719246B1 Synthesis of vinyl esters |
04/22/1998 | CN1179414A Catalyst for decarbonylation reaction |
04/21/1998 | US5741925 Transvinylation of naphthenic acids |
04/21/1998 | US5741922 Coupling agent; surface treatment of magnetic material; heat and oxidation resistance; waterproofing |
04/21/1998 | US5741438 Optically active biphenyl derivative, process for preparation thereof, liquid crystal composition containing the same as an effective component, and liquid crystal element using the same |
04/17/1998 | CA2217420A1 A process for preparing monomers |
04/16/1998 | WO1998015520A1 Method for purifying pyruvic acid compounds |
04/16/1998 | WO1998015519A2 A process for the recovery of lactic acid esters and amides from aqueous solutions of lactic acid and/or salts thereof |
04/16/1998 | CA2218216A1 Solid catalyst and process for producing unsaturated glycol diester using the same |
04/15/1998 | EP0835862A1 Partial esters of polyglycerine with fatty acids and polyfunctional carbonylic acids, their preparation and use |
04/15/1998 | EP0835861A1 Oxidation in the Witten-Hercules process for the preparation of dimethyl terephthalat |
04/15/1998 | EP0835860A1 Separation of water from reactive mixtures |
04/15/1998 | EP0835859A1 Process for producing valproic acid |
04/15/1998 | EP0713485B1 Thiocarbamoyl compounds as microbicides |
04/15/1998 | EP0710224B1 Process for the carbonylation of acetylenically unsaturated compounds |
04/15/1998 | EP0675868B1 Process for preparing aryl-substituted aliphatic carboxylic acids and their alkyl esters |
04/15/1998 | EP0666838B1 Process for the preparation of carboxylic acids and esters thereof by oxidative cleavage of unsaturated fatty acids and esters thereof |
04/15/1998 | CN1179148A Reagent, compound and method for nucleophile perfluoroalkylation, and resulting derivatives |
04/15/1998 | CN1179145A Method of producing 3 -pentenic acid esters by carbonylation of alkoxybutenes |
04/14/1998 | US5739394 3,3-dioxy-4,4,4-trifluorobutyric acid derivatives |
04/14/1998 | US5739380 Used for coating; tack-free, hard, water and dirt repellent, aging and hydrolysis resistance |
04/14/1998 | US5739379 Process for producing methyl methacrylate |
04/14/1998 | US5739376 Fullerene derivatives, methods of preparing them and their use |
04/14/1998 | US5739375 Reacting with dimethyl carbonate in presence of a base containing nitrogen for producing an antiinflammatory chemical intermediate |
04/14/1998 | US5739347 Reducing agents for decarbonylation |
04/14/1998 | US5739341 Liquid antioxidants as stabilizers |
04/14/1998 | US5739144 Trisubstituted phenyl derivatives |
04/14/1998 | US5739141 Antiproliferative substituted 5-thiapyrimidinone and 5-selenopyrimidinone compounds |
04/09/1998 | WO1998014421A1 Method for esterifying carboxylic compounds |
04/09/1998 | DE19712339C1 Preparation of 2'-substituted 4-bromo-methyl-bi:phenyl compounds |
04/08/1998 | EP0834508A1 Substituted biphenyl or phenylpyridine derivatives, process for their preparation and pharmaceutical compositions containing them |
04/08/1998 | EP0834497A1 Process for producing 2-(halomethyl)phenylacetic acid esters |
04/08/1998 | EP0833811A1 A process for the preparation of esters |
04/08/1998 | EP0703896B1 Low pressure process for the manufacture of cyclohexanedicarboxylate esters |
04/08/1998 | CN1037962C Preparation of alkanedioic derivatives |
04/07/1998 | US5736581 Polyglycerol polyricinoleates |
04/07/1998 | US5736480 Sulfonated 2,2'-bis(diphenylphosphino)-1,1'-binaphthyl metal complex dissolved in glass supported film of nonaqueous polar solvent (i.e. ethylene glycol); catalyst selectivity, yield, simplified recovery |
04/07/1998 | CA1339806C Liquid photoinitiator mixtures |
04/07/1998 | CA1339804C Process for the preparation of acyl isocyanates |
04/02/1998 | WO1998013512A1 A method for producing an extract from ganoderma lucidum containing ganoderic acid |
04/02/1998 | WO1998013409A1 Process for preparing esterification products |
04/01/1998 | EP0832873A1 Preparation of cyclopropane esters |
04/01/1998 | EP0832087A1 Synthesis of and hydroformylation with fluoro-substituted bidentate phosphine ligands |
04/01/1998 | CN1177595A Process for preparing chiral succinic acid derivatives |
04/01/1998 | CN1177591A Process for refining ethyl acetate and butanone from mixed solution containing ethyl acetate and butanone |
03/31/1998 | US5734077 Antilipemic agents, anticholesterol agents, treatment of diabetes and atherosclerosis |
03/31/1998 | US5734075 Process for recovery of the light noble products present in the distillation residues from the processes for the manufacture of acrylic acid and of its esters |
03/31/1998 | US5734074 Continuous preparation of alkyl esters of (meth) acrylic acid |
03/31/1998 | US5734071 Process for separating lipophilic compounds |
03/31/1998 | US5734070 Hardening of unsaturated fats, fatty acids or fatty acid esters |