Patents for C07B 61 - Other general methods (69,072)
06/1981
06/30/1981CA1104082A1 Process for manufacturing refrigeration oils
06/30/1981CA1103895A1 No translation available
06/24/1981EP0030860A1 Catalysts for hydroformylation of olefinically unsaturated compounds and process utilising the catalysts
06/24/1981EP0030837A1 Dehydrocoupling of toluene
06/24/1981EP0030796A1 Rejuvenation of alkylation catalyst
06/23/1981US4275256 Shape selective reactions with group VIIA metal modified zeolite catalysts
06/23/1981US4275250 Fluorobenzyl alcohols
06/23/1981US4275243 Trisubstituted phosphine-rhodium complex catalyst for hydroformylation
06/23/1981US4275242 Using an enamine catalyst for reacting formaldehydes with other aldehydes
06/23/1981US4275211 Acid ion exchange resin catalyst
06/23/1981US4274982 Method for maintaining para-selectivity of modified zeolite catalyst
06/23/1981CA1103703A1 Ethylation of aromatic compounds
06/23/1981CA1103702A1 Process for directed chlorination of alkylbenzenes
06/23/1981CA1103665A1 Preparation of esters of thiocarbamic acids involving use of phase transfer catalysts
06/23/1981CA1103651A1 Process for improving the activity of used supported silver catalysts
06/17/1981EP0030528A1 Process for the introduction of alkyl, aralkyl or cycloalkyl groups onto a functional group-substituted carbon chain
06/17/1981EP0030434A1 Methanol homologation using cobalt-ruthenium catalysts
06/17/1981EP0030431A1 Oligomerization of olefins
06/17/1981EP0030394A2 Process for preparing aryl esters of carboxylic acids
06/17/1981EP0030269A1 Process for recovering the noble metal catalyst in the production of aromatic urethanes
06/16/1981US4273945 Hydrogenation of unsaturated aldehydes
06/16/1981US4273944 Palladium on alumina poisoned with zinc, lead or tin and promoted with water and a basic alkali or alkaline earth compound
06/16/1981US4273938 Preparation of N-substituted carboxylic acid amides
06/16/1981US4273725 Process for preparing chlorothiolformates
06/16/1981US4273712 Phase transfer catalysts
06/16/1981US4273678 Method of preparing an oxychlorination catalyst
06/16/1981US4273676 Process for producing methacrylic acid and a catalyst
06/16/1981CA1103271A1 Process for producing an unsaturated glycol diester using a catalyst comprising palladium containing thorium as a promotor
06/16/1981CA1103267A1 Method of preparing methylsiloxanes and methylchloride
06/16/1981CA1103241A1 Catalyst and method of manufacture and use thereof
06/16/1981CA1103240A1 Catalytic composition of matter comprising a metal phthalocyanine
06/10/1981EP0030214A2 Process for the preparation of 2,3,5,6-tetrachloropyridine and 3,5,6-trichloropyridin-2-ol
06/10/1981EP0030110A1 Process for the production of an oxygenated hydrocarbon product containing ethanol
06/10/1981EP0029890A1 Process for preparing 4-amino-butyric acid amide hydrochloride
06/09/1981US4272633 Process for the manufacture of tetrachlorocyclobutenone from hexachlorocyclobutene
06/09/1981US4272407 Oligomerization catalyst
06/09/1981US4272406 Refractory metal oxide/silica supported nickel cluster catalyst
06/09/1981CA1102823A1 Catalysis in hydroformylation
06/09/1981CA1102817A1 Process for the production of 1,3-dichloroacetone oxime and its acetate derivatives
06/09/1981CA1102779A1 Process for improving the performance of silver catalysts
06/09/1981CA1102777A1 Low-metal content olefin hydration catalyst and related process
06/03/1981EP0029723A1 Process for the production of ethanol and/or acetaldehyde in the presence of metal complex catalyst systems
06/03/1981EP0029718A1 Process for the production of sulphenamides
06/03/1981EP0029460A1 Process for preparing aromatic urethane
06/02/1981US4271327 Group 8 metal on an aluminum sponge catalyst
06/02/1981US4271323 Process for hydrogenating unsaturated compounds
06/02/1981US4271086 Catalytically cracking hydrocarbons in the presence of water vapor and carbon dioxide
06/02/1981US4271038 Complex catalyst comprising cobalt carbonyl and a porphyrin promoter ligand
06/02/1981US4271008 Hydropyrolysis
06/02/1981CA1102358A1 Method for producing oligomers from alpha-olefines
06/02/1981CA1102357A1 Dehydrocyclization process
06/02/1981CA1102336A1 Process for preparing d,1-m,p-dipivalylepinephrine hydrochloride and hydrochloride salts of related sympathomimetically-active catecholamines using cesium chloride reactant
05/1981
05/27/1981EP0029282A1 Process for preparing 5-halopyrimidines and 5-pyrimidine methanols
05/27/1981EP0029259A1 A method of preparing tricycloundecane derivatives, these compounds and a perfume composition containing at least one of them
05/27/1981EP0029255A1 Fischer-Tropsch type catalyst, method for its manufacture and its use for effecting a Fischer-Tropsch synthesis
05/27/1981EP0029143A1 Catalyst composition and copper-catalyzed fluid-bed hydrocarbon-oxyhydrochlorination process for the preparation of 1,2-dichlorethane
05/27/1981EP0029086A1 Improved process for the production of ethanol and catalyst thereof
05/26/1981US4270010 Heating an aqueous solution of p-aminophenol or a salt with an organic sulfonic acid; solvent extraction; from nitrobenzene reduction
05/26/1981US4270007 Perfume aldehydes from hydroformylation of caryophyllene
05/26/1981US4269781 Dimeric carbonylation of 1,3-butadiene
05/26/1981US4269780 Catalysts comprising carbene metal complexes and metal halides and oxyhalides as activators; polymerization inhibition
05/26/1981CA1101891A1 Process for the preparation of resorcinol or alkylsubstituted derivatives thereof
05/26/1981CA1101889A1 Process for the preparation of tertiary aliphatic amines
05/26/1981CA1101888A1 Process for the manufacture of n-(3,4-dimethylphenyl- n-d-ribamine
05/26/1981CA1101887A1 Manufacture of n-[3,4-dimethylphenyl]-d-ribamine
05/26/1981CA1101824A1 No translation available
05/26/1981CA1101633A1 Crystalline borosilicate (ams-1b) and process use
05/20/1981EP0028892A1 A heteronuclear-bridged rhodium cluster and its application as catalyst for hydroformylation of olefins
05/20/1981EP0028759A1 Process for preparing pivaloyl-acetic-acid esters
05/20/1981EP0028724A1 Process for preparing aryl isocyanates by thermal decomposition of aryl urethanes
05/20/1981EP0028714A1 Process for the preparation of 3-phenoxybenzaldehydes
05/19/1981US4268698 Chlorinating tetrachloroxylene, ferric chloride, hexamethylenetetramine
05/19/1981US4268695 Process for the continuous preparation of butane-1,4-diol
05/19/1981US4268456 Process for preparing chlorothiolformates
05/19/1981US4268448 Oxidation of gutadiene with a catalyst of antimony and optionally vanadium, bismuth, tellurium, or an alkali metal with a solution of a heteropoly acid of molybdenum and tungsten
05/19/1981US4268440 Vaporization of cyclohexanone oxime over boron trioxide fluidized bed
05/19/1981CA1101447A1 Process for preparing bromine- and fluorine - containing halogenated hydrocarbons
05/19/1981CA1101446A1 Methanol
05/19/1981CA1101442A1 Catalyst recovery process
05/19/1981CA1101441A1 Manufacture of glycol esters
05/14/1981WO1981001284A1 Improved alumina-supported copper catalyst compositions for fluid-bed hydrocarbon oxyhydrochlorination
05/13/1981EP0028445A2 Acridinones, their preparation and use; intermediates and their preparation
05/13/1981EP0028407A1 Preparation of 5-(halophenyl)salicylic acid compounds
05/13/1981EP0028378A1 Improved hydroformylation process using stable rhodium catalyst
05/13/1981EP0028375A1 Process for the preparation of phenylacetic acid and its simple derivatives
05/13/1981EP0028331A1 Process for preparing urethanes
05/13/1981EP0028327A1 Process for the preparation of carboxylic acid halides
05/12/1981US4267393 In the presence of a sulfonated ion exchange resin catalyst
05/12/1981US4267385 Process for the catalytic preparation of acrolein and methacrolein
05/12/1981US4267376 Steroid synthesis
05/12/1981US4267362 Reacting a ketone and an alpha-beta unsaturated acid, ester, nitrile, or amide using as catalyst a secondary-amine adduct of one of the unsaturated compounds
05/12/1981US4267360 Novel derivatives of hexafluoropropene dimer and process for preparing same
05/12/1981US4267356 Catalytic condensation of a alpha-halo-propionate and a 2,6-dialkylaniline using an alkali halide and carbonate or bicarbonate; removal of water by distillation
05/12/1981US4267353 Reacting an aromatic nitro compound, an alcohol, and carbon monoxide using as catalysts sulfur, selenium or their compounds, amines, and/or alkali salts and an oxidizer
05/12/1981US4267329 Process for preparation of 2-vinylpyridine from acetylene and acrylonitrile
05/12/1981CA1100993A1 Process for the production of alkoxy methylene compounds
05/06/1981EP0028203A1 Process for carrying off the reaction heat from exothermal chemical reactions and apparatus for carrying out the process
05/06/1981EP0028200A1 Alkylation of 2,6-di-tert.-alkylphenols with alkanediols
05/06/1981EP0028179A1 Process for the preparation of 3-cyano-3,5,5-trimethyl-cyclohexanone
05/06/1981EP0028107A1 Process for the production of esters in the presence of a heterogeneous esterification catalyst