Patents for C07C 67 - Preparation of carboxylic acid esters (66,429) |
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03/26/1991 | CA1282077C Process for producing substituted-phenethylamine derivatives |
03/26/1991 | CA1282075C Process for preparing hexenedioate esters |
03/26/1991 | CA1282074C Process for the preparation of mercaptomethylphenols |
03/26/1991 | CA1282070C Biologically active amide derivatives |
03/26/1991 | CA1281995C Process for the recovery of hydrogen/heavy hydrocarbons from hydrogen-lean feed gases |
03/26/1991 | CA1281853C Agent for the protection of materials |
03/21/1991 | WO1991003456A2 Process for preparing salt-free esters of fatty acids with oligoglycerins or with addition reaction products of ethylene oxide and/or propylene oxide with oligoglycerins |
03/21/1991 | DE3930026A1 Mono-glyceride extraction from glyceride mixts. |
03/20/1991 | EP0417867A1 Catalysts for the catalysed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters |
03/20/1991 | EP0417597A2 Method for the production of 2-formylbutyric acid methyl ester |
03/20/1991 | EP0417187A1 Ruthenium-catalyzed production of cyclic sulfates |
03/20/1991 | EP0299026B1 Process for the co-production of aromatic carboxylates and alkyl iodides |
03/20/1991 | CN1049982A Improved boron phosphate catalyst for production of dienes from aldehydes |
03/20/1991 | CN1012063B Hydroformylation of olefins |
03/19/1991 | US5001289 Shaped zeolite catalyst for liquid phase organic reactions |
03/19/1991 | US5001286 Process for separating sulphuric acid and nitric acid from dinitrotoluene mixtures obtained during the nitration of toluene |
03/19/1991 | US5001285 Process for the bromination of nitro-alcohols |
03/19/1991 | US5001273 Method for preparing asymmetric aliphatic ketones |
03/19/1991 | US5001262 Method for synthesizing an aromatic hydrazine compound |
03/19/1991 | US5001261 Cyclohexenone derivatives and their use for controlling undesirable plant growth |
03/19/1991 | US5001260 Tetracarboxylic acids |
03/19/1991 | US5001258 Antibiotic, fumifungin, a microbial process for the preparation thereof, and the use thereof as a pharmaceutical |
03/19/1991 | US5001257 Preparation of 4-pentenoic acid, amide or esters by isomerization |
03/19/1991 | US5001209 Non-linear optical active diols and polyurethanes prepared therefrom |
03/19/1991 | US5001159 N-aminobutyl-n-phenylarylamide compounds and their application in therapy |
03/19/1991 | US5001156 Lipophilic quaternary ammonium salicylates, their use in cosmetics and in dermopharmacy |
03/19/1991 | US5001153 Ocular hypotensive agents |
03/19/1991 | US5001102 Heterogeneous catalysts |
03/19/1991 | US5000961 Tert-butyl derivatives of benzylidenecamphor, process for preparing them, their use as antioxidant agents and cosmetic and pharmaceutical compositions containing them |
03/19/1991 | CA1281844C Stabilized vinyl halide resin and compositions and articles made therefrom |
03/19/1991 | CA1281746C Direct catalytic alkylation of mononuclear aromatics with lower alkanes |
03/19/1991 | CA1281745C Recovery of ethylene, chlorine and hc1 from vented waste gas from direct chlorination reactor |
03/19/1991 | CA1281741C Phenylbenzoylureas |
03/19/1991 | CA1281740C Resin treatment of hexitol esters |
03/19/1991 | CA1281739C Method to convert primary alkanols to their corresponding esters |
03/19/1991 | CA1281738C Process for the preparation of acyloxybenzenesulfonic acids and salts thereof |
03/19/1991 | CA1281735C Diphenyl ether derivatives, their preparation and their use for controlling undesirable plant growth |
03/19/1991 | CA1281734C Process for the production of oligoesters containing hydroxy groups and their use |
03/19/1991 | CA1281716C Insecticidal n-substituted-n'-substituted-n,n'- diacylhydrazines |
03/19/1991 | CA1281704C Transition metal complex catalyzed processes |
03/16/1991 | CA2024915A1 Process for the preparation of methyl 2-formylbutyrate |
03/15/1991 | WO1991014670A1 Process for producing branched fatty acids and their esters |
03/13/1991 | EP0416946A2 Optically active naphthalene derivative, process for preparation thereof, liquid crystal composition containing the same as effective component, and liquid crystal element using the same |
03/13/1991 | EP0416822A2 Stain-resistant plasticizer compositions and method of making same |
03/13/1991 | EP0416661A2 Method for the production of pure monoglycerides, pure diglycerides and/or triglycerides |
03/13/1991 | EP0416069A1 New leucotriene b 4 derivatives, a method of preparing them, and their use as drugs. |
03/13/1991 | EP0415982A1 Method of preparing aromatic ethers from iodoaromatic compounds. |
03/13/1991 | EP0334951A4 High yield method for preparation of dialkyl esters of polyhaloaromatic acids |
03/13/1991 | EP0289509B1 Basic metal salts having improved color and stability and vinyl halide polymers containing same |
03/13/1991 | CN1011966B Catalytic system for production of aromatics form aliphatic hydrocarbons |
03/12/1991 | WO1991003457A1 Process for the production of esters exhibiting nonlinear optical response |
03/12/1991 | US4999454 Catalysis with iron hydrate compound; reacting chloral with unsaturated hdyrocarbon |
03/12/1991 | US4999453 Converting an Alkylenedicarboxylic Ester Over an Acidic Heterogeneous Catalyst |
03/12/1991 | US4999452 Minimization of refining steps, removal of formaldehyde |
03/12/1991 | US4999450 Process for preparing alpha-(3-benzylphenyl) propionic acid derivative |
03/12/1991 | US4999443 Transition metal complexes |
03/12/1991 | US4999441 Tetrakis(dialkylamino)aromatics and their charge transfer complexes |
03/12/1991 | US4999435 Cationic Surfactants, Drugs, Immunoassay |
03/12/1991 | US4999392 Light, Heat and Oxidation Stabilizers for Polymers |
03/12/1991 | US4999363 Tricyclic compounds |
03/12/1991 | US4999042 Phenyl oximino-acetate fungicides |
03/12/1991 | CA2066211A1 Process for the production of esters exhibiting nonlinear optical response |
03/12/1991 | CA1281500C2 Bifunctional chelating agents |
03/12/1991 | CA1281499C2 Bifunctional chelating agents |
03/12/1991 | CA1281338C Colourless ketimines, their preparation and their use as cross-linking agent |
03/12/1991 | CA1281336C Method of preparing acetal or ketal |
03/12/1991 | CA1281332C Insecticidal n'-substituted-n,n'-diacylhydrazines |
03/12/1991 | CA1281331C Thio-substituted aromatic alcohols |
03/12/1991 | CA1281324C Lipid derivatives, their production and use |
03/12/1991 | CA1281306C Process for the fluorination in liquid phase of unsaturated compounds |
03/07/1991 | DE3928397A1 Verfahren zur herstellung von salzfreien estern von fettsaeuren mit oligoglycerinen bzw. mit anlagerungsprodukten von ethylenoxid und/oder propylenoxid an oligoglycerine Process for the preparation of salt-free esters of fatty acids with oligoglycerols or with plant-addition products of ethylene oxide and / or propylene oxide to oligoglycerols |
03/06/1991 | EP0415235A2 Process for carefully esterification of a carboxylic acid with an alcohol component |
03/06/1991 | EP0415220A2 Chiral doping agents for liquid crystals |
03/06/1991 | EP0415214A2 Method for the production of derivatives of alpha-fluoroacrylic acid |
03/06/1991 | EP0415212A1 Aryloxynaphthalene derivatives |
03/06/1991 | EP0311619B1 Chelate ligands for low pressure hydroformylation catalyst and process employing same |
03/06/1991 | EP0276329B1 2,3-diaminoacrylonitrile derivatives |
03/06/1991 | EP0261160B1 Alicyclic compounds |
03/06/1991 | EP0219553B1 Process for preparing 3-phenoxybenzyl 2-(4-alkoxyphenyl)-2-methylpropyl ethers |
03/06/1991 | CN1049650A Process for prepn. of terpenes |
03/05/1991 | US4997989 Chemical intermediates for fungicides |
03/05/1991 | US4997978 Preparation of alkyl carboxylates by hydrocarbonylation |
03/05/1991 | US4997977 Process for the production of esters exhibiting nonlinear optical response |
03/05/1991 | US4997958 Process for producing ascorbic acid 6-esters |
03/05/1991 | US4997955 Preparation of 1,1-disubstituted ethylene compounds |
03/05/1991 | US4997954 Reductive cyclizatin, dehalogenation, amination |
03/05/1991 | US4997802 Catalyst for preparation of hydrocarbons |
03/05/1991 | US4997535 From methane, sulfur dioxide and chlorine |
03/05/1991 | CA1281039C Process for the preparation of decabromodiphenyl ether |
03/05/1991 | CA1281038C Method for preparing organic esters from halocarbons |
03/05/1991 | CA1281037C Process for producing n,o-diacetyl-6-amino-2-naphthol |
03/05/1991 | CA1281035C Methyl methacrylate production |
03/05/1991 | CA1281033C Cyclohexenone derivatives, their manufacture and their use for controlling undesirable plant growth |
03/05/1991 | CA1281032C Process for the preparation of benzylidene compounds |
03/05/1991 | CA1281029C Optically active ketals, processes for their preparation and their use in the synthesis of ó-arylakanoic acids |
02/27/1991 | EP0414453A1 Optically active cyclopentenols and process for preparing the same |
02/27/1991 | EP0414384A2 Process for preparing neoalkyl triol triesters |
02/27/1991 | EP0414207A2 Method for preparing alpha-(-4-isobutylphenyl) propionic acid or its precursor |
02/27/1991 | EP0414106A2 Process for the preparation of terpenes |
02/27/1991 | EP0414059A1 Dihalogenovinylbenzylesters, process and starting material for their preparation and their utilization for the control of parasites |