Patents for C07B 61 - Other general methods (69,072)
10/1983
10/12/1983EP0091223A1 Process for production of sugar ketals
10/12/1983EP0091165A1 A silver catalyst and a method for the preparation thereof
10/12/1983EP0091159A1 Process for preparing sugar acetates
10/12/1983EP0091146A2 Process for the preparation of alkanol alkoxylates
10/12/1983EP0091049A1 Zeolite LZ-133
10/12/1983EP0091028A2 Raney nickel catalysis used in hydrogenation of aromatic amines
10/12/1983EP0091027A2 Raney nickel alloy expanded mesh hydrogenation catalysts
10/12/1983EP0090977A1 Process for the preparation of carbonic-acid esters
10/11/1983US4409419 Process for preparing 2,5-dimethyl-2,4-hexadiene
10/11/1983US4409417 Process of dehydrogenation of hydrocarbons
10/11/1983US4409411 Process of hydrogenating benzenes and group IVa metal hydride catalysts therefor
10/11/1983US4409409 Two stage olefin wax process
10/11/1983US4409402 Tert.-butoxybutanals, tert.-butoxybutanols, bis-tert.-butoxypentanals and bis-tert.-butoxypentanols
10/11/1983US4409396 From olefins, group 8 metal-containing catalyst
10/11/1983US4409395 Hydrogenation, silver catalyst
10/11/1983US4409394 Supported silver catalysts mixed with promoter metal compounds for the production of ethylene oxide
10/11/1983US4409150 Esterification
10/11/1983US4409132 Organophosphorus-treated zeolite catalysts for para-selective aromatics conversion
10/11/1983US4409128 Oxidation catalyst, especially for the preparation of methacrylic acid by gas phase oxidation of methacrolein
10/11/1983US4409122 Catalyst reactivation
10/11/1983CA1155103A1 Preparation of aromatics processing catalyst, catalyst so prepared, and xylene isomerisation therewith
10/05/1983EP0090787A1 A process for making bis (hydroxyphenyl)-methanes
10/05/1983EP0090769A2 Process for the preparation of 1,2,5,6-tetrahydro-4H-pyrrolo(3,2,1-ij)-quinolin-4-one and 5-halo-1,2,3-(1,2,dihydropyrrolo)-4-quinolone intermediates
10/05/1983EP0090679A1 Process for preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran
10/05/1983EP0090498A2 Fluorinated polyether and derivatives thereof
10/05/1983EP0090443A2 A process for carbonylating methanol to acetic acid and/or methyl acetate
10/04/1983US4408079 Reaction of alkanal with formaldehyde in presence of secondary amine and acid
10/04/1983US4408078 Ligand-stabilized platinum catalyst
10/04/1983US4408075 Ammonopysis in presence of hydrogenation catalyst
10/04/1983US4408074 From 2,6-dimethoxyphenol and chloral
10/04/1983US4408069 Conversion of methanol to methyl acetate using iron-cobalt catalyst
10/04/1983US4408068 Process for the preparation of optically active 2-chloropropionic acid esters
10/04/1983US4407729 Catalysts
10/04/1983CA1154791A1 Process for preparing acetaldehyde
10/04/1983CA1154788A1 Process for the production of urethanes
09/1983
09/29/1983WO1983003247A1 Friedel craft reactions
09/28/1983EP0089908A1 Process for producing carboxylic-acid anhydrides
09/28/1983EP0089795A2 Process for converting olefins to high viscosity index lubricants
09/28/1983EP0089787A2 Organophosphorus-treated zeolite catalysts for para-selective aromatics conversion
09/28/1983EP0089592A2 Process for the preparation of methyl ketones
09/28/1983EP0089587A2 Catalyst and its use in the production of methyl methacrylate
09/28/1983EP0089579A1 Catalytic dehydrohalogenation process
09/28/1983EP0089569A1 Process for preparation of Guerbet alcohols
09/28/1983EP0089517A1 Process for the preparation of diphenyl ethers
09/28/1983EP0089417A1 Process for the preparation of phthalide
09/28/1983EP0048891B1 Process for the preparation of methyl formiate
09/27/1983CA1154462A1 Preparation of mercapto-alcohols
09/27/1983CA1154460A1 Process for the preparation of nitrosobenzene
09/27/1983CA1154440A1 Proton-catalysed reactions catalysed by hydrogen ion- exchanged layered clays
09/27/1983CA1154425A1 Chrome oxide microballoons catalysts used for the fluorination of aliphatic chlorinated derivatives in the gaseous phase, and fluorination processes utilising these catalysts
09/27/1983CA1154424A1 Chromium salts or oxides and aluminium phosphate catalysts used for the florination of chlorinated and chlorofluorinated aliphatic hydrocarbons in the gaseous phase and fluorination processes utilizing these catalysts
09/27/1983CA1154423A1 Catalyst structure for the partial oxidation of n- butane to produce maleic anhydride
09/27/1983CA1154422A1 Nickel complexes in diol solvents and their use as oligomerization catalyst precursors
09/21/1983EP0089252A1 Supported palladium-gold catalyst, its preparation and its use in the selective hydrogenation of diolefinic and/or acetylenic hydrocarbons
09/21/1983EP0089207A1 Friedel-Craft reactions
09/21/1983EP0088955A2 Process for producing 1,9-nonanedial
09/21/1983EP0088929A1 Process for the preparation of 2,3-dichlorobutadiene-1,3
09/21/1983EP0038480B1 Process for the preparation of 1-(4-hydroxyphenyl)-3-butanone and intermediate compounds for this process
09/20/1983US4405815 Catalyst system of cobalt, iodine or bromine-containing promoter, polydentate ligand and metal co-catalyst
09/20/1983US4405813 From 3,5-dimethyl-2-cyclohexenone azide by heating in acyclic ether solvent with group 8 metal catalyst
09/20/1983US4405804 Reacting vinylchlorosilane with hydrogen chloride in presence of organoaluminum compound
09/20/1983US4405784 Strontium hydrogen phosphate as acid catalyst for cyclization of hydroxyethylpiperazine, aminoethylpiperazine or ethanolamine
09/20/1983US4405505 Supported titanium oxide and vanadium pentoxide
09/20/1983US4405496 Platinum acetylacetonate-group 4a metal halide-phosphine complex
09/20/1983CA1154035A1 Process for converting dialkyl sulfides to alkyl mercaptan
09/20/1983CA1154033A1 Preparation of unsaturated diesters by catalytic oxidative carbonylation of diolefins
09/20/1983CA1154023A1 Process for preparing imidazole derivative
09/14/1983EP0088615A1 Process for the preparation of alpha, beta unsaturated acid esters
09/14/1983EP0088529A2 Process for producing alkoxyacetic esters
09/14/1983EP0088495A1 Process for converting alcohols into olefins
09/14/1983EP0088328A2 Oxidation catalyst, in particular for the preparation of methyacrylic acid by the vapour phase oxidation of methacrolein
09/14/1983EP0088327A2 Process for the preparation of methacrylic acid
09/13/1983US4404417 Isomerization
09/13/1983US4404416 Isomerization
09/13/1983US4404415 Liquid phase using soluble dimerization catalyst; hexene circulation; controlling stoichiometry
09/13/1983US4404411 In presence of a base and hydrogenation catalysts
09/13/1983US4404410 2,3-dimethylbutene and hydrogen peroxide mixed into formic acid separately but simultaneously
09/13/1983US4404409 Process for preparing methyl tertiary-butyl ether
09/13/1983US4404400 Process for the preparation of 4-nitrodiphenylamines
09/13/1983US4404399 Coproduction of aniline and diphenylamine
09/13/1983US4404396 Process for the preparation of 2-(2,4-dichlorophenoxy)-phenylacetic acid
09/13/1983US4404149 Reaction of acetyl chloride with chlorine and lewis acid catalyst
09/13/1983US4404123 Catalysts for para-ethyltoluene dehydrogenation
09/13/1983CA1153775A1 Process for preparing compounds containing a perfluoroalkyl group in an acid medium in the presence of zinc
09/13/1983CA1153769A1 Indenonecarboxylic acids and esters thereof and processes for their preparation
09/13/1983CA1153754A1 Attrition resistant higher active component fluid bed catalysts and use thereof
09/13/1983CA1153753A1 Methanation catalyst and process for its preparation
09/13/1983CA1153748A1 Shape selective reactions with group via modified zeolite catalysts
09/13/1983CA1153747A1 Shape selective reactions with group viia metal modified zeolite catalysts
09/13/1983CA1153746A1 Shape selective reactions involving zeolite catalyst modified with group iiib metal
09/13/1983CA1153744A1 Cracking catalysts with tin compounds
09/07/1983EP0088027A1 Process for the preparation of polyphenol derivatives, derivatives obtained by this process, their use in the preparation of polymers and copolymers, and the copolymers thus obtained
09/07/1983EP0087924A2 Process for the catalytic oxidation of a paraffinic hydrocarbon to an alcohol and either an aldehyde or a ketone
09/07/1983EP0087906A1 Xylene isomerization process and catalyst therefor
09/07/1983EP0087870A1 Process for the production of acetic anhydride and acetic acid
09/07/1983EP0087835A2 Process for alpha halogenating alkyl carboxylic acids and catalyst composition for use therein
09/07/1983EP0087737A1 Perfluorinated vinyl ethers with a secondary hydrogen atom, their polymers and process for preparing the monomers
09/07/1983EP0087720A1 Crystalline aluminosilicate zeolite
09/07/1983EP0087711A1 Process for the preparation of sulfosuccinic acid diesters
09/07/1983EP0087690A1 Process for the preparation of aromatic amines