Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
04/1983
04/13/1983EP0076411A1 Process for making 3-alkenyl-2,2-dimethyl-cyclopropanecarboxylic-acid alpha-cyano-3-phenoxy-benzyl esters
04/13/1983EP0076379A1 Process for the preparation of 4-alkoxy-acetoacetic-acid esters
04/13/1983EP0076378A1 Process for the preparation of 4-alkoxy-aceto-acetic-acid esters
04/13/1983EP0076376A1 Deodorizing dialkyl polysulfides
04/13/1983EP0076371A1 Process of hydrogenating benzenes and group IVa metal hydride catalysts therefor
04/13/1983EP0076364A2 Method for the alkylation of phenylacetonitriles
04/12/1983US4379940 Separation of acetic acid contaminant with dehydrated anion exchange resin
04/12/1983US4379937 Selective acylation of hydroxy-amino-arylsulfonic acids
04/12/1983US4379928 Synthesis of amides
04/12/1983US4379901 Polyfluoroallyl ethers and their production and use
04/12/1983US4379862 Process for the preparation of polyurethane resins using low molecular weight polyhydroxyl compounds prepared by the condensation of formaldehyde
04/12/1983US4379768 Process for producing perfluorosuccinyl fluoride
04/12/1983US4379767 Manufacture of isocyanates
04/12/1983US4379756 Reactivation of supported catalysts which contain palladium, copper and tellurium
04/12/1983US4379736 Method and apparatus for inhibiting the formation of polymerized vinylaromatic compounds during distillative purification of vinylaromatic monomer
04/12/1983CA1144574A1 Process for preparing polysulfide chain terminator
04/12/1983CA1144572A1 Process for preparation of phenols
04/12/1983CA1144570A1 Norbornenyl phenolic compounds
04/12/1983CA1144564A1 Process for the preparation of n,o- disubstituted urethanes useful for the preparation of isocyanates
04/12/1983CA1144560A1 Substituted sulfonic acid anilides, their preparation and their use
04/12/1983CA1144557A1 Dilignols and diligonol-type compounds as active substances of liver therapeutica
04/12/1983CA1144513A1 Closed-loop vacuum fractionation process
04/12/1983CA1144512A1 After-treatment processes and apparatus especially for urea and ammonium nitrate plants
04/12/1983CA1144308A1 Stabilized methylene chloride formulation for vapor degreasing
04/06/1983EP0076221A1 Process for the etherification of phenols
04/06/1983EP0076220A1 Process for the hydrolysis of aryl aliphatic ethers
04/06/1983EP0076217A2 Preparation of nitrite esters in vapor phase from nitrogen oxide and alcohol
04/06/1983EP0076034A1 Manufacture of methylamines
04/06/1983EP0075952A1 Hydrogenolysis process for the production of monoethylene glycol monomethyl ether, monoethylene glycol and ethanol
04/06/1983EP0075951A1 Production of monoethylene glycol and ethanol from hydrogenolysis of polyethylene glycols
04/06/1983EP0075940A1 Process for the manufacture of ethylenediamine
04/06/1983EP0075939A2 Process for the treatment of organic amine compositions
04/06/1983EP0075936A1 A process for selectively producing monoethylene glycol monomethyl ether with the simultaneous coproduction of monoethylene glycol and ethanol
04/06/1983EP0075935A2 Preparation of polyalkylene polyamines
04/06/1983EP0075929A1 The rectification of ethanolamines
04/06/1983EP0075896A2 Pharmaceutical amides, and preparation, formulations and use thereof
04/06/1983EP0075868A2 Optically active amino alcohols and their production
04/06/1983EP0075817A2 Process for the separation of liquid mixtures which contain hydrogenation products of citral by distillation
04/06/1983EP0075771A1 Phenols, process for their production and their use as stabilizers for polymers
04/06/1983EP0075730A1 Process for the recovery of iodine values from gaseous effluents derived from carbonylation reactions
04/06/1983EP0003666B1 Oxabicyclo 3.1.0 hexanes useful in the production of cyclopropanecarboxylate insecticides and intermediate compounds
04/05/1983US4379165 Anti-convulsant
04/05/1983US4379157 Sulphonyl compounds, method of preparing the new compounds, as well as aphicidal compositions on the basis of the new compounds
04/05/1983US4379092 Process for the preparation of anthraquinone and its substituted derivatives
04/05/1983US4379068 Hydrophilic cotelomers having a terminal sulfonate group and containing acid and amine functions, and their application in detergent compositions
04/05/1983US4379026 Process for the purification of benzaldehyde
04/05/1983US4379024 Process for the manufacture of alkylaminoalkanol
04/05/1983US4378992 Urea derivatives, and their production and use
04/05/1983CA1144183A1 Method of removing oxygen from a gas containing an unsaturated hydrocarbon
04/05/1983CA1144182A1 Barium oxide catalyzed ethoxylation
04/05/1983CA1144180A1 Process and apparatus for preparation of phenols
04/05/1983CA1144178A1 Salts of 2,3-dichloro-4-(hydroxybenzoyl) phenoxyacetic acid
04/05/1983CA1144177A1 Refinement of sulfonated hydrocarbons
04/05/1983CA1144176A1 Process for the selective hydrogenation of triglyceride oils with a metallic catalyst in the presence of ammonia
04/05/1983CA1144167A1 Substituted naphthyloxy- and naphthylthio-alkylammonium salts, the manufacture thereof, the use thereof for regulating plant growth
04/05/1983CA1144162A1 Compound with a psychostimulant and antidepressive activity process for its preparation and related pharmaceutical compositions
04/05/1983CA1144155A1 Process for removing an allylic group from allylic esters, carbonates and carbamates
04/05/1983CA1144142A1 Process for the preparation of crystalline silicates
04/05/1983CA1144141A1 Catalysts for the hydroformylation of olefinically unsaturated compounds
03/1983
03/30/1983EP0075524A1 Carbonylation process of conjugated dienes in the presence of a palladium catalyst with recycling of said catalyst
03/30/1983EP0075473A2 Selective acylation of hydroxy-amino-arylsulfonic acids
03/30/1983EP0075442A1 Process for producing benzoyl peroxide crystals of a small size
03/30/1983EP0075390A1 Production of arylophenones
03/30/1983EP0075389A1 Production of dihydroxy arylophenones
03/30/1983EP0075355A1 The preparation of derivatives of dichloroacetic acid esters
03/30/1983EP0075337A1 Process for the co-production of carboxylic acids and carboxylic acid esters
03/30/1983EP0075290A1 Process for making allylic esters of tetrachlorophthalic acid
03/30/1983EP0075289A1 Process for making allylic esters of tetrabromophthalic acid
03/30/1983EP0075238A2 Process for the preparation of 3-alkyl-3-acyloxy-4-hydroxybutenes
03/30/1983EP0075205A2 Isothioureas preparation thereof and use thereof against undesirable vegetation
03/30/1983EP0075174A1 Process for the preparation of 4-nitrodiphenyl amines
03/30/1983EP0075172A2 N-Sulfenyl benzylsulfone amides, preparation and their use as microbicides
03/30/1983EP0075167A2 N-(1-alkenyl)-carboxanilides, process for their preparation and their use as fungicides
03/30/1983EP0075146A1 Benzyl esters with fluorosubstituted ether groups, process for their preparation and their utilisation as insecticides
03/30/1983EP0075066A2 Process for preparing quaternary ammonium compounds
03/30/1983EP0075065A2 Process for the preparation of quaternary ammonium compounds
03/30/1983EP0075047A1 1-(Substituted phenylthiocarbamyl) 3,3-disubstituted formamidines and their production and pharmaceutical compositions containing them
03/30/1983EP0020752B1 Process for preparing alkanoic esters
03/29/1983US4378371 Combating fungi with N-alkyl-carbamic acid 1,1,2-trimethyl-5-substituted-indan-4-yl esters
03/29/1983US4378318 Herbicides
03/29/1983CA1143754A1 Process for the manufacture of lower olefins from methanol/water mixtures
03/29/1983CA1143753A1 Selective cracking reactions by cofeeding organic amine or ammonia
03/29/1983CA1143750A1 Purification of 2, 6-xylenol streams
03/29/1983CA1143749A1 Process for the synthesis of 2, 6-xylenol and 2,3,6-trimethylphenol
03/29/1983CA1143748A1 Methanol homologation using cobalt-ruthenium catalysts
03/29/1983CA1143747A1 Synthesis of urea
03/29/1983CA1143746A1 PROCESS FOR THE MANUFACTURE OF RESORCINOLS FROM .delta.-KETOCARBOXYLIC ACID ESTERS
03/29/1983CA1143745A1 Heteronuclear-bridged rhodium clusters
03/29/1983CA1143744A1 Process for the preparation of cobalt (ii) acetylacetonate
03/29/1983CA1143743A1 Process for the preparation of cobalt (iii) acetylacetonate
03/29/1983CA1143742A1 Dichloromaleic acid diamide derivatives, a process for their preparation and their use as fungicides
03/29/1983CA1143741A1 Process for oxidation of ketones by hydrogen peroxide
03/29/1983CA1143713A1 Process for the preparation of fischer-tropsch catalysts
03/29/1983CA1143712A1 Process for the preparation of a sulphided fluorine-containing nickel-tungsten catalyst and a process for the conversion of hydrocarbons, and the resulting hydrocarbons
03/29/1983CA1143657A1 Pharmaceutical agent containing all-e- or 13-z-7,8-dehydroretinic acid, processes for its preparation, and its use
03/23/1983EP0074912A1 Process for the separation of palladium from the carbonylation products of conjugated dienes in the presence of palladium
03/23/1983EP0074903A2 Derivatives of 2-amino-1,2,3,4-tetrahydronaphthalene, their preparation and their therapeutic use
03/23/1983EP0074873A1 Derivatives of 3-phenoxy-3-propanol, their preparation and their therapeutic use
03/23/1983EP0074866A1 Process for the preparation of esters of arylpropionic acids optically active
03/23/1983EP0074856A2 Resolution of racemic bicycloheptenones