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