Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
11/1990
11/07/1990CN1010309B Process for preparing fluorinated acrylic monomers polymers
11/07/1990CN1010308B Process for preparing urea
11/06/1990US4968852 Phosphine-rhodium complex decarbonylation catalyst
11/06/1990US4968851 Against arthropods and nematodes
11/06/1990US4968849 Process for the preparation of 2-ethylhexanol by liquid-phase catalytic hydrogenation of 2-ethylhexenal, and catalyst
11/06/1990US4968848 Process of the prparation of perfluoroalkyl compounds, and pentafluoroethyltrimethylsilane
11/06/1990US4968846 Feeding and mixing inert gas or recirculated reaction gas
11/06/1990US4968845 Catalytic reaction of halobenzene with aromatic diacyl halide
11/06/1990US4968844 From a cyclohexenylalkadienyl sulfide
11/06/1990US4968838 Process for the preparation of unsaturated carboxylic acids
11/06/1990US4968835 Process for the preparation of aminoaryl-sulphonic acids
11/06/1990US4968834 Recycling aqueous phase to distillation zone
11/06/1990US4968832 Novel asymmetric diesters of 1,4-dihydro-2,-dimethyl-pyridine-3,5-dicarboxylic acid
11/06/1990US4968831 Preparation of α-ketocarboxylic esters
11/06/1990US4968804 Bipyridine compounds
11/06/1990US4968791 Process for the preparation of polyol fatty acid esters
11/06/1990US4968759 Alkylation polymerization of phenol with bis(hydroxyalkyl)benzene followed by alkylation of ortho or para position
11/06/1990US4968720 Phenylcarbodiimides, compositions containing them and their use in the control of pests
11/06/1990US4968717 Phenylacetonitriles which are substituted by basic groups, their preparation and drugs containing these substances
11/06/1990US4968711 Leukotriene antagonists
11/06/1990US4968706 Mucolytic, antitussive, bronchodilator, antiinflammatory
11/06/1990US4968681 Substituted hydroxylamines
11/06/1990US4968677 Substituted 1-aryl-2-napthoylamines and their use as microbicides
11/06/1990US4968676 Fungicidal cyclohexylamines
11/06/1990US4968668 Alcohols having 3-methyl or 3,5-dimethyl or 3,5-dimethylphenyl groups, a process for their preparation and a fragrance composition containing same
11/06/1990US4968667 1,1-dimethyl-3-hydroxymethylindane and perfumery composition comprising the same
11/06/1990US4968345 Phenylhydrazone derivative of oxamide and herbicidal composition containing the same
11/06/1990CA1276032C Polyene compounds
11/06/1990CA1276027C Homopropargylamines
11/06/1990CA1276026C Functionalized monomers from 1-(1-isocyanato-1- methylethyl)-3 or 4-(1-methylethenyl) benzene
11/06/1990CA1275934C2 Phenethanolamines
11/05/1990CA2012921A1 Esters, medicaments containing them and process for the preparation of these esters and medicaments
11/02/1990CA2015791A1 Process for the preparation of brominated derivatives, especially from alcohols
10/1990
10/31/1990EP0395547A1 Process for the preparation of 2-cyclohexenyle carboxylates
10/31/1990EP0395199A1 Substituted tetrahydroindane derivatives and their use as intermediates
10/31/1990EP0395122A2 Electrodeposition paints with a base of aminourethanes
10/31/1990EP0394927A2 Process for preparing methacrylates of fluorinated alcohols
10/31/1990EP0394644A2 Halobenzene derivatives
10/31/1990EP0324984B1 Process for the preparation of a mixture of cyclohexyl amine and dicyclohexyl amine using a ruthenium catalyst
10/31/1990EP0234437B1 Chiralic reaction products of mesogene molecular structures and bifunctional reactive derivatives of tartaric acid, method for their production and their use as a doping material in liquid crystal phases
10/31/1990DE3914131A1 Verwendung von calcinierten hydrotalciten als katalysatoren fuer die ethoxylierung bzw. propoxylierung von fettsaeureestern Use of calcined hydrotalcites as catalysts for the ethoxylation or propoxylation of fettsaeureestern
10/31/1990CN1046519A Process for preparation of alkyl methacrylate
10/31/1990CN1046518A Purification and preparation processes for methyl methacrylate
10/30/1990US4967023 Process for preparing 1,1,1-trifluoro-2,2-dichloroethane by hydrofluorination in the presence of catalysts
10/30/1990US4967019 Method of manufacturing 2-propyn-1-ol
10/30/1990US4967018 Monoalkylene glycol production using mixed metal framework compositions
10/30/1990US4967017 Basic alkali metal compound catalyst, neutralization in presence of filter aid
10/30/1990US4967013 Preparation of hydroxybenzaldehydes
10/30/1990US4967012 Acetals, and a process for the preparation thereof
10/30/1990US4967011 Process for decomposing aromatic acylated compound.HF-BF3 complex
10/30/1990US4967003 Propylamines, and their use as fungicides
10/30/1990US4967001 Adding water to catalyst
10/30/1990US4966998 Trisubstituted benzoic acid intermediates
10/30/1990US4966995 Process for the preparation of chlorides of carboxylic acids
10/30/1990US4966990 Oxidative dehydrogenation of isobutyric or butyric acid ester
10/30/1990US4966989 Ketalization and esterification of 4-chloroacetoacetyl chloride with an alcohol and a dialkyl sulfite
10/30/1990US4966987 Chemical intermediate for fluorinated aromatic compound
10/30/1990US4966969 Contacting an amine compound with crystalline metal silicate catalyst, pressurization
10/30/1990US4966877 Method for making heteropolyacid catalysts and catalysts made by the method
10/30/1990US4966732 Process for the production of 1,2-dithiolan-3-pentanoic acid (thioctic acid) and 8-hydrocarbylthio-6-oxooctanoic acid
10/30/1990US4966726 Chiral reaction products produced from mesogenic molecular structural elements and bifunctionally reactive tartaric acid derivatives, and their use as dopants in liquid crystal phases
10/30/1990US4966694 Separation agent comprising acyl- or carbamoyl-substituted polysaccharide
10/30/1990US4966172 Flavor compositions and tobacco products containing 3,5,5,6,8,8-hexamethyl-1,2,3,4,5,6,7,8-octahydro-2-naphthalenone
10/30/1990CA1275658C Preparation of dialkyl disulfides
10/30/1990CA1275657C Processes for preparing diaryl sulfones
10/30/1990CA1275654C Bicyclic amide acetals as moisture scavengers
10/30/1990CA1275653C Preparation of sulphophenyl esters
10/30/1990CA1275651C Intermediates for the production of epipodophyllotoxin and related compounds and processes for the preparation and use thereof
10/29/1990CA2053900A1 Calcined hydrotalcites as catalysts for ethoxylating or propoxylating fatty acid esters
10/28/1990CA2015570A1 Process for the preparation of cyclohexen-2-yl carboxylate
10/24/1990EP0393923A1 6-Fluoroshikimic acid derivatives
10/24/1990EP0393088A1 Process for the co-production of aromatic carboxylates and alkyl iodides.
10/24/1990EP0393086A1 Processes for preparing 3,4-dihydro 2-naphthanoic acid and 2-naphthanoic acid and esters thereof
10/24/1990EP0288764B1 Optically active alpha-amino aldehydes, processes for their preparation and their use in the stereoselective preparation of optically active beta-amino alcohols
10/24/1990EP0280992B1 Cyclohexene carboxylic-acid esters, process for their preparation and their use
10/24/1990EP0232541B1 Polyisocyanate compositions containing latent tin-catalysts, their use in the preparation of polyurethane resins and reaction products of sulfonyl isocyanates with selected tin compounds
10/24/1990EP0190322B1 Process for the production of amino compounds from hydroxyl compounds
10/24/1990CN1046327A Method for preparation of methyl acrylate and ethyl acrylate
10/24/1990CA2015278A1 Process for preparing methacrylates of fluorinated alcohols
10/23/1990US4965406 Liquid phase catalytic oxidation of toluene in presence of phase transfer agent
10/23/1990US4965405 Benzhydrylamine derivatives
10/23/1990US4965400 Acylation of 2,6-di-substituted phenol with acetic anhydride, esterifying, hydrogenation, and dehydrating
10/23/1990US4965398 Reacting olefin with glyoxylate in presence or binaphthol-titanium complex
10/23/1990US4965396 Intermediates for quinolon derivatives; bactericides
10/23/1990US4965393 Vapor phase catalytic ammoxidation of propylene
10/23/1990US4965389 Phenoxyphenylthioureas phenoxyphenylisothioureas and phenoxyphenylcarbodiimides and use thereof for controlling pests
10/23/1990US4965376 3,9-dihydroxynonyne and its derivatives protected at the 9-OH function
10/23/1990US4965372 Process and intermediates for isopropyl 3S-amino-2R-hydroxy-alkanoates
10/23/1990US4965361 Preparation of 4-substituted aryl olefins
10/23/1990US4965357 2,5,6-substituted N1 -alkylpyrimidines
10/23/1990US4965274 Quinolyl methoxy compounds, processes for preparation thereof and pharmaceutical composition comprising the same
10/23/1990US4965234 Supported catalyst for the preparation of monocarboxylic anhydrides
10/23/1990US4964616 Useful as electrooptical materials
10/23/1990CA1275544C Omega-perfluoroalkyl-alpha-olefin polymers
10/23/1990CA1275421C Production of butanes from propane
10/23/1990CA1275419C Second harmonic generation with schiff bases
10/23/1990CA1275407C 9-halogen prostaglandins, processes for their manufacture and useas pharmaceuticals
10/23/1990CA1275402C Motor fuel alkylation catalyst and process for the use thereof
10/23/1990CA1275399C Attrition resistant catalysts, catalyst precursors and catalyst supports
10/18/1990CA2014622A1 Compounds
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