Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
10/1981
10/07/1981EP0037016A1 Process for extracting and producing thioglycolic acid from aqueous solutions
10/07/1981EP0037015A2 Process for the preparation of 2-chloro-acetoacetic acid esters
10/07/1981EP0037004A1 Process for the preparation of methylglyoxal
10/07/1981EP0037003A1 2,3-Dichloro-2-trifluoromethyl-1,1,1,3,4,4,5,5,5-nonafluoropentane and process for its preparation
10/07/1981EP0036991A1 5-Alkyl-3-alkylthiopropionthioates, process for their preparation and their use as pharmaceutical compositions
10/06/1981US4293727 Catalysis with nickel ylide
10/06/1981US4293720 Process for preparation of hydroperoxides
10/06/1981US4293719 Oxidation, oxidation catalysts, amines
10/06/1981US4293718 Preparation of acetaldehyde
10/06/1981US4293717 Process for preparing aldehydes and diols
10/06/1981US4293715 Preparation of ω-azolyl-acetophenone oxide ethers employing ω-halogeno-acetophenone oxide ethers
10/06/1981US4293713 Novel 1,1,3,5-substituted biuret compound and a pharmaceutical composition containing the same
10/06/1981US4293706 Carbamylation, neutralization
10/06/1981US4293691 Method for preparing magenta couplers having thioether groups
10/06/1981US4293687 Tetraalkylated biscyclohexylamine derivatives
10/06/1981US4293680 Process for the production of diisocyanato toluene mixtures having an increased content of 2,6-diisocyanato toluene, and the use thereof as synthesis components in the production of polyurethane elastomers
10/06/1981US4293566 Pesticidally active 1-arylamino-2,4-dinitronaphthalenes
10/06/1981US4293504 Crystallization, basic catalysts
10/06/1981US4293502 Catalyst for oligomerization of ethylene
10/06/1981US4293499 Process for producing a carboxylate ester using a supported acidic catalyst
10/06/1981US4293331 Novel acyloxamides and plant growth regulant compositions
10/06/1981CA1110352A1 Azine liquid crystal compounds for use in light- control devices
10/06/1981CA1110278A1 Ethylation of toluene or ethylbenzene with high silica/alumina zsm-5 type catalyst
10/06/1981CA1110277A1 Catalyst recovery
10/06/1981CA1110276A1 Process for the preparation of asymmetric dimethylhydrazine
10/06/1981CA1110275A1 Process for preparing aromatic amide antioxidants
10/06/1981CA1110273A1 Carbonylation process
10/06/1981CA1110272A1 4-hydroxy phenylacetic acid
10/06/1981CA1110270A1 Process for preparing unsaturated aliphatic esters from aliphatic dienes
10/06/1981CA1110268A1 Production of herbicidally-active compounds
10/06/1981CA1110267A1 Di-carboxylic acid derivatives
10/06/1981CA1110264A1 Sulfurous diurethanes
10/06/1981CA1110263A1 Zero-valent metal catalysts
10/06/1981CA1110261A1 3-¬2-hydroxy-4-(substituted)phenyl|-cycloalkanone and cycloalkanol analgesic agents and intermediates therefor
10/06/1981CA1110253A1 Phenoxy-amino-propanols
10/06/1981CA1110245A1 Phenoxy valeric acids and derivatives thereof, useful as a herbicide
10/01/1981WO1981002776A1 Distillative separation of acid gases from light hydrocarbons
09/1981
09/30/1981EP0036840A2 Process for the production of chlorinated compounds
09/30/1981EP0036813A1 (N-Substituted carbamoyloxy)alkyleneoxyhydrocarbyl acrylate esters
09/30/1981EP0036774A1 Preparation of insecticidal optically active alpha-cyano-3-phenoxybenzyl 2-(4-substituted-phenyl)isovalerates
09/30/1981EP0036735A1 Process for producing 1,3-butadiene or 2-methyl-1,3-butadiene of high purity
09/30/1981EP0036733A1 Distillative separation of carbon dioxide from light hydrocarbons
09/30/1981EP0036724A1 Process for the production of ethanol by the liquid phase hydrocarbonylation of methanol
09/30/1981EP0036715A1 Catalyst for diacyloxylation of conjugated dienes
09/30/1981EP0036712A2 Heterogeneous esterification catalyst, process for its production and its use in the production of residue esters
09/30/1981EP0036707A1 Shape selective reactions of aromatic compounds with modified zeolite catalysts containing chromium, molybdanum or tungsten
09/30/1981EP0036704A2 Improved aromatics processing
09/30/1981EP0036703A2 Preparation of metal containing catalysts
09/30/1981EP0036683A1 Process for the preparation of crystalline aluminium silicates, crystalline aluminium silicates so prepared and process for the production of an aromatic hydrocarbon mixture
09/30/1981EP0036669A2 Process for the preparation of catalysts for the hydration of olefins
09/30/1981EP0036651A1 Preparation of 3-oxo-alpha-ionone
09/30/1981EP0036637A1 Use of 3,3'-azo-bis-(6-hydroxy benzoic acid) as a drug and pharmaceutical compositions containing the same
09/30/1981EP0036636A1 A method and intermediates for preparing 3,3'-azo-bis-(6-hydroxy benzoic acid)
09/30/1981EP0036591A1 Coupler components for oxidation hair dyes, their preparation and use, and hair dyes containing them
09/30/1981EP0036550A1 Use of oxyalkylated fatty alcohols having a propylene terminal group, as low foaming alkali and acid stable tensides
09/30/1981EP0036547A1 A catalytic process for preparing alkyl amines and a catalyst system suitable for said process
09/30/1981EP0036539A1 Process for the preparation of acetals of methyl glyoxal
09/30/1981EP0036511A1 Preparation of mixtures of lower polyhydroxy alcohols
09/30/1981EP0036464A2 Production of improved antimony containing catalysts, catalysts so produced and use thereof
09/30/1981EP0036441A1 Process for preparing carboxylic acid cyanides
09/29/1981US4292446 Aniline derivatives
09/29/1981US4292445 Prostaglandins; decongestants and antiulcer, antifertility, and antiinflammatory agents
09/29/1981US4292437 Preparation of isobutyric acid and esters
09/29/1981US4292432 Novel aldol derivatives and production thereof
09/29/1981US4292410 Using a mixture of a hydrogenation catalyst and an alkali metal aluminum silicate as catalyst for aromatization
09/29/1981US4292400 Photographic silver halide development in the presence of thioether development activators
09/29/1981US4292339 Stable concentrated lactic acid containing mixture
09/29/1981US4292305 Asthma; bronchodilator agents
09/29/1981US4292210 1-Phenyl- and -benzyl-2,2-dichloro-cyclopropanes as scents
09/29/1981US4292141 Distillation to separate a styrene-containing bottoms prior to extractive distillation using a selective solvent
09/29/1981US4292072 Novel α-isocyanocarboxylic acid compounds and plant growth regulant compositions
09/29/1981CA1109998A1 Curable epoxide resin mixtures
09/29/1981CA1109997A1 Curable epoxide resin mixtures
09/29/1981CA1109894A1 Method for preparing sterically hindered bis- or polyphenols
09/29/1981CA1109893A1 2-aza-1,3-dienes
09/29/1981CA1109877A1 Hydrolytically stable tellurium (iv) compounds and compositions
09/29/1981CA1109868A1 Amide compounds and polymers thereof useful in photographic materials
09/29/1981CA1109853A1 Catalyst and process for production of vcm
09/29/1981CA1109714A1 Photoconductive element with an aggregate photoconductive layer in electrical contact with a photoconductor containing layer
09/23/1981EP0036383A1 Process for the preparation of Beta-sulfato-ethylsulfonyl-aminobenzanilides
09/23/1981EP0036378A1 Process for the preparation of chlorophenols
09/23/1981EP0036352A1 Process for the preparation of trifluoromethyl benzenes from the corresponding trichloro or tribromo methyl benzenes
09/23/1981EP0036312A2 Process for producing p-nitroaniline
09/23/1981EP0036292A1 Process for the production of aromatic hydrocarbons
09/23/1981EP0036265A1 Method of optical resolution of (+/-)-2-amino-1-butanol and/or (+/-) -mandelic acid
09/23/1981EP0036249A1 Shape selective reactions with group VIIA metal modified zeolite catalysts
09/23/1981EP0036233A1 Process for the preparation of benzoic acid
09/23/1981EP0036161A2 Process for the preparation of alkali salts of phenyl glycine
09/23/1981EP0036159A1 4-(2,5-Dihydroxyphenyl-1) crotonic acid and its derivatives, and processes for the preparation of these compounds
09/23/1981EP0036151A1 Process for thermally decoking coolers for cracked gases
09/23/1981EP0036143A1 Process for the production of 1-amino-2-ethoxy-naphthalene-6-sulphonic acid
09/23/1981EP0036123A1 Process for the preparation of very pure, partially fluorinated ethanes
09/23/1981EP0036121A1 Oligo-isobutyl cyclohexane, process for its production and its use
09/23/1981EP0036120A1 Process for the production of bis-(amino-phenyl) disulphides
09/23/1981EP0036109A1 Process for the production of lower olefines from aqueous methanol and/or aqueous dimethyl ether
09/23/1981EP0036087A2 Process for isolating rosmarinic acid from plants
09/22/1981US4291189 Alkylation process improvement
09/22/1981US4291188 Process for the preparation of methane and/or ethane
09/22/1981US4291184 Process for producing tertiary-butylstyrene
09/22/1981US4291183 Oxidative dehydrogenation using an aluminum-calcium-cesium phosphate catalyst
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