Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01J - Chemical or physical processes, e.g. catalysis, colloid chemistry; Their relevant apparatus › B01J 23 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group
Patents for B01J 23 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group (79,164)
06/1991
06/12/1991EP0431294A2 Preparation of 2,4,5-trifluorobenzoic acid by decarboxylation of 3,4,6-trifluorophthalic anhydride
06/12/1991EP0431241A1 Process for the preparation of 2-hydroxy-4-(hydroxyalkoxy)-benzophenone
06/12/1991CN1052110A Promoted amines catalysis
06/12/1991CN1052109A Amines catalysis
06/11/1991US5023390 Acylation of 2,4-dimethylisobutyrophenone; hydrogenation, dehydrogenation, cyclization
06/11/1991US5023389 Selectivecy converting branched olefins, separation, oligomerization
06/11/1991US5023384 Process for the preparation of trifluoroethanol
06/11/1991US5023379 Process for the preparation of hydroxyamines
06/11/1991US5023369 Process for producing N-phosphonomethylglycine
06/11/1991US5023277 Syngas conversion catalyst its production and use thereof
06/11/1991US5023226 Ruthenium supported catalyst, its preparation and its use in the preparation of substituted or unsubstituted cyclohexylamine and substituted or unsubstituted dicyclohexylamine
06/11/1991US5023225 Dehydrogenation catalyst and process for its preparation
06/11/1991US5023070 Process for obtaining a ceric oxide
06/11/1991CA2005040A1 Isomerization of alkylaromatics
06/06/1991CA2031429A1 Process for the preparation of vinyl acetate
06/05/1991EP0430920A1 Sulfur dioxide removal from stack gas
06/05/1991EP0430744A1 Supported catalysts and process for producing the same
06/05/1991EP0430484A2 Ketone derivatives of polyoxypropylene glycols
06/05/1991EP0430437A2 Three-way catalyst for automotive emission control
06/05/1991EP0430436A2 Three-way catalyst for automotive emission control
06/05/1991EP0430435A2 Three-way catalyst for automotive emission control
06/05/1991EP0429998A1 Process for the preparation of partially fluorinated alcohols
06/05/1991EP0429848A2 Preparation of 3,4-difluorobenzoic acid by the decarboxylation of 4,5-difluorophthalic anhydride or 4,5-difluorophthalic acid
06/05/1991EP0429750A1 Process for catalytic oxidation of organic impurities in waste waters
06/04/1991US5021603 Thiuram polysulfide production
06/04/1991US5021392 Prepared by calcining aggregates formed from seed hydrosol by ph controlled dissolving and deposition
06/04/1991US5021389 Three-way catalyst for automotive emission control and method of making the catalyst
06/04/1991US5021388 Chemical, electrochemical, or physical deposition over intermediate heat-treated silicate glass frit layer
06/04/1991US5021387 Catalyst for the preparation of hydrocarbons from carbon monoxide and hydrogen
06/04/1991US5021386 Compositions involving V2 O3 -ZRO2 -TIO2
06/04/1991US5021385 Containing molybdenum oxide and nickel or cobalt oxide; high porosity and surface area
06/04/1991US5021233 Catalytic reduction of synthesis gas to methanol
06/04/1991US5021192 Colloidal dispersions of cerium (IV) compound
06/02/1991CA2026938A1 Ketone derivatives of polyoxypropylene glycols
05/1991
05/30/1991WO1991007227A1 Catalyst regeneration process
05/29/1991EP0429132A1 Hydrocarbon conversion process using a catalyst produced by electric discharge
05/29/1991EP0429083A1 Preparation of 4,6-dinitro-2-halo-1,3-benzenediol
05/29/1991EP0429040A2 Process for the preparation of 4-bromophthalic anhydride
05/29/1991EP0428854A2 Process for the preparation of 4-(4-isobutylphenyl)-butyraldehyde
05/29/1991EP0428845A1 Silver catalyst for the oxidation of ethylene and process for its preparation
05/29/1991EP0428803A1 Novel ligand catalyst systems formed by reaction of carbonyl compounds with organosilicon compounds
05/29/1991EP0428753A1 Exhaust gas purifying catalyst excellent in thermal resistance and method of production thereof
05/29/1991EP0428752A1 Exhaust gas purifying catalyst excellent in thermal resistance and method of production thereof
05/29/1991EP0428512A1 Ozone generation by corona discharge at elevated pressures.
05/29/1991CN1051725A Glutaric acid derivatives and preparations thereof
05/29/1991CN1051683A Reclamation of waste copper-series catylist
05/29/1991CA2030983A1 Process for the production of alkylaromatic hydrocarbons from natural gaz
05/28/1991US5019671 Liquid phase isomerization of alkanes
05/28/1991US5019547 Process for preparing precursors of catalysts containing copper, aluminum and zinc, usable for the synthesis and the decomposition of methanol and catalysts obtained from the precursors
05/28/1991US5019546 Catalyst for purifying exhaust gas and method of manufacturing the same
05/28/1991US5019545 Process for manufacture of maleic anhydride catalysts
05/28/1991US5019297 Catalysis with hydrogenated palladium
05/28/1991CA2030682A1 Supported catalysts and manufacturing process thereof
05/28/1991CA1284511C Conversion of methane to higher hydrocarbons
05/28/1991CA1284496C Process for the oxidation of di-, tri-, oligo- and polysaccharides into polyhydroxycarboxylic acids, catalyst used and products thus obtained
05/28/1991CA1284487C Supported metal catalysts and use thereof
05/28/1991CA1284486C Hydrogenation catalyst shapes
05/24/1991CA2030402A1 Hydroconversion process
05/23/1991CA2026752A1 Three-way catalyst for automotive emission control
05/23/1991CA2026608A1 Three-way catalyst for automotive emission control
05/23/1991CA2026405A1 Three-way catalyst for automotive emission control
05/22/1991EP0428423A2 Aryloxy alkyl benzenes, processes for their preparation and pharmaceutical compositions containing them
05/22/1991EP0428223A1 Process for the preparation of extrudates
05/21/1991US5017543 Process for the preparation of a dehydrogenation catalyst
05/21/1991US5017542 Catalyst for the oxidation and ammonoxidation of α-, β-unsaturated hydrocarbons
05/21/1991US5017541 Catalyst for the isomerization of alkanes
05/21/1991US5017357 Catalytic process for oxidation of carbon monoxide
05/21/1991US5017352 Catalysts
05/21/1991CA2025904A1 Process for the preparation of 4-bromophthalic anhydride
05/20/1991CA2016658A1 Preparation of 2,4,5-trifluorobenzoic acid by decarboxylation of 3,4,6-trifluorophthalic anhydride
05/20/1991CA2016657A1 Preparation of 3,4-difluorobenzoic acid by the decarboxylation of 4,5-difluorophthalic anhydride or 4,5- difluorophthalic acid
05/17/1991CA2030107A1 Process for the production of 1-(aminomethyl)cyclohexane acetic acid
05/16/1991WO1991006366A1 Supported catalyst, method for the preparation thereof, and use thereof for the dehydrogenation of hydrocarbons
05/16/1991DE4035544A1 Solid-bed fischer-tropsch catalyst for wax prodn. - obtd. by adding 1-80 wt. per cent active carbon, w.r.t. iron content of catalyst at any stage before extrusion
05/16/1991DE4006884A1 Reforming catalysts contg. platinum and tin - prepd. by two=stage impregnation process
05/16/1991DE3937247A1 Silver catalyst for oxidn. of ethylene to ethylene oxide - by pptn. of silver on porous, heat-resistant support so concn. of silver at surface is higher than inside particles
05/15/1991EP0427603A1 Process for the preparation of fluorinated aromatic compounds and catalysts based on Lewis-acids
05/15/1991EP0427508A1 method for production of acrylic acid
05/15/1991EP0427494A2 Staged three-way conversion catalyst and method for using the same
05/15/1991EP0427493A2 Three way conversion catalyst including a ceria-containing zirconia support
05/15/1991EP0427287A1 Preparation process of indoles
05/15/1991CN1051356A Epoxidation process
05/14/1991US5015788 Process for the hydrogenation of acetylenic alcohols
05/14/1991US5015780 Catalytic dehalogenation of dihalo compound with hydrogen
05/14/1991US5015752 Thiuram polysulfide
05/14/1991US5015617 Oxidation catalyst for automobiles, containing cerium oxide and zirconium oxide
05/14/1991US5015616 Strontium oxide compounds in mixture
05/14/1991US5015614 Novel alumina support materials
05/14/1991US5015611 Water regeneration of deactivated catalyst
05/14/1991US5015461 Hydrorefining catalysts of niobium, tantalum and a divalent metal
05/09/1991CA2027422A1 Three way conversion catalyst including a ceria-containing zirconia support
05/09/1991CA2027329A1 Staged three-way conversion catalyst and method of using the same
05/08/1991EP0425930A2 Process for the preparation of symmetrical diarylacetylenes
05/08/1991EP0425887A2 Process for halogen-fluor exchange in organic compounds and catalysts therefor
05/08/1991EP0425666A1 Process for producing methacrylic acid and methacrolein
05/08/1991EP0425539A1 High temperature process for selective production of 3-methylpyridine
05/08/1991EP0425488A1 Pollution control catalyst for minimizing h2s emissions.
05/08/1991CN1051167A Halocarbon hydrogenolysis
05/08/1991CN1051130A Regeneration or activation of noble metal catalyst using fluorohalocarbons or fluorohalohydrocarbons
05/08/1991CA2002456A1 Ligand catalyst systems formed by reaction of carbonyl compounds with organosilicon compounds
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