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)
04/1991
04/05/1991CA2026830A1 Process for the hydrogenation of halogenated nitroaromatic derivatives with noble metal catalysts
04/05/1991CA2026116A1 Process for the preparation of glycol ethers
04/04/1991WO1991004241A1 Strontium and/or barium-containing catalysts for oxidative coupling processes
04/04/1991WO1991004240A1 Perovskite catalysts for oxidative coupling
04/04/1991WO1991004238A1 Vapor phase modifiers for oxidative coupling
04/04/1991WO1991004237A1 Low temperature catalysts for oxidative coupling processes
04/04/1991WO1991004236A1 High ethylene to ethane processes for oxidative coupling
04/04/1991WO1991004224A1 Combined catalytic/non-catalytic process for nitrogen oxides reduction
04/03/1991EP0420815A1 Process for the preparation of 2-(2-haloethylthio)-phenylsulfonamides
04/03/1991EP0420770A1 Process for the preparation of dihydroxy esters
04/03/1991EP0420455A2 Method for ammoxidation of paraffins
04/03/1991EP0420048A1 Process for the obtention of methacrolein and methacrylic acid
04/03/1991EP0420035A1 Two-step process for the preparation of alcohols
04/03/1991EP0419906A1 Core element and core for electrically heatable catalytic converter
04/03/1991EP0419628A1 Process for the production of tertiary alkyl ethers and tertiary alkyl alcohols
04/03/1991CA2025188A1 Methods for generating chlorine dioxide and compositions for disinfecting
04/02/1991US5004859 Refractory oxide support, Friedel-Crafts metal halide, platinum group metal
04/02/1991US5004856 Process for upgrading methane to higher hydrocarbons
04/02/1991US5004855 Rhenium, Zeolite, Alumina Catalyst
04/02/1991US5004846 Process for producing nitrobenzenes
04/02/1991US5004717 Oxidizing aged catalyst, contacting with an inert gas, cooling and reducing copper oxides in aged catalyst
04/02/1991US5004709 Catalyst support
04/02/1991US5004661 Photoconductive member having symmetrical and unsymmetrical squaraine compositions
03/1991
03/30/1991CA2026355A1 Process for the preparation of 2-(2-halogenoethylthio)-phenylsulfonamides
03/28/1991WO1991004960A1 Process for the preparation of dihidroxy esters
03/28/1991DE3931346A1 Supported metal oxide catalyst - obtd. by mixing solns. of organic metal salts, with cellulose deriv. impregnating support with mixt., drying and calcining
03/28/1991CA2024582A1 Amorphous alloy catalysts for conversion of exhaust gases to harmless gases
03/27/1991EP0419412A2 Process for the preparation of benzotriazoles
03/27/1991EP0419356A1 Process for removing gaseous hydrids on a solid carrier consisting of metal oxides
03/27/1991EP0419077A2 Synthesis of low molecular weight ethylene propylene glycol ethers via olefin addition to the corresponding glycol
03/27/1991EP0419045A1 Method for alkylation of phenols, and catalyst therefor
03/27/1991EP0418975A1 Low temperature catalysts for oxidative coupling processes
03/27/1991EP0418974A1 Silver-containing catalysts for oxidative coupling
03/27/1991EP0418973A1 Perovskite catalysts for oxidative coupling
03/27/1991EP0418972A1 Strontium and/or barium-containing catalysts for oxidative coupling processes
03/27/1991EP0418971A1 High ethylene to ethane processes for oxidative coupling
03/27/1991EP0418970A1 Vapor phase modifiers for oxidative coupling
03/27/1991EP0418682A1 Metal doped carbon fibres catalysts, their production and their use
03/27/1991EP0418657A2 Process for producing methacrylic acid and methacrolein by catalytic oxidation of isobutane
03/27/1991EP0418646A2 Process for the preparation of acyl amides by subjecting nitriles to catalytic hydration
03/27/1991EP0418512A1 Process for production of alpha-hydroxycarboxylic acid amide
03/27/1991EP0418305A1 A layered automotive catalytic composite.
03/27/1991CN1050181A Process for preparing acrolein through gaseous catalytic oxidation propylene
03/27/1991CN1050144A Cupric silicate catalysts, method of production and uses thereof
03/26/1991WO1991004097A1 Regeneration or activation of noble metal catalysts using fluorohalocarbons or fluorohalohydrocarbons
03/26/1991US5003121 Production of alkyl aromatic compounds
03/26/1991US5003115 Epoxidation of acetoxystyrene with a percarboxylic acid to produce acetoxyphenyl oxirane, hydrogenation followed by saponification
03/26/1991US5003107 Catalytic method for the reductive amination of poly(oxytetramethyle) glycols
03/26/1991US5003099 Nitrosation of cyanoacetic acid ester; catalytic hydrogenation, ammoniation
03/26/1991US5002922 Oxides of Zirconium Copper, Cobalt and/or Nickel
03/26/1991US5002921 Catalyzer for decomposing ammonia
03/26/1991US5002920 Catalyst for ozone decomposition
03/26/1991US5002919 Catalyst composition for hydrogenation of heavy hydrocarbon oil and process for producing the catalyst
03/26/1991US5002747 Suspension, heating, cooling, and separation of a ceric hydroxide prior to calcining
03/26/1991US5002746 Process for production of chlorine dioxide
03/26/1991US5002585 Trialkoxy-substituted meta-phenylenediamines, a process for their preparation, and their use as couplers for the oxidation dyeing of keratinous fibres and in particular of human hair
03/26/1991CA2067113A1 Regeneration or activation of noble metal catalysts using fluorohalocarbons or fluorohalohydrocarbons
03/26/1991CA1282081C Preparation of substituted aromatic amines
03/21/1991WO1991003318A1 Copper silicate catalyst, process for making it and its use
03/21/1991DE3930288A1 Kupfer-silikat-katalysator, sein herstellungsverfahren und seine verwendung Copper silicate catalyst, manufacturing process and its use be
03/21/1991CA2025631A1 Process for the preparation of benzotriazoles
03/20/1991EP0417867A1 Catalysts for the catalysed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters
03/20/1991EP0417825A2 Cymenol preparation by direct dehydrogenation
03/20/1991EP0417723A2 Process for the preparation of acrolein by the catalytic gasphase oxydation of propylene
03/20/1991EP0417680A1 Method for the production of 1,1,1,2-tetrafluoroethane
03/20/1991EP0417538A1 Catalyst for reducing nitrogen oxides in a flue gas and method for producing said catalyst
03/20/1991EP0324847A4 Preparation of bis (amine-containing) benzenediols
03/20/1991CN1050038A Process of vapour hydrogenation
03/20/1991CN1050012A Process for treating waste water
03/20/1991CN1012063B Hydroformylation of olefins
03/20/1991CA2025614A1 High ethylene to ethane process for oxidative coupling
03/20/1991CA2025613A1 Strontium and/or barium-containing catalysts for oxidative coupling process
03/20/1991CA2025603A1 Silver-containing catalysts for oxidative coupling
03/20/1991CA2025595A1 Low temperature catalysts for oxidative coupling processes
03/20/1991CA2025581A1 Vapor phase modifiers for oxidative coupling
03/20/1991CA2025580A1 Perovskite catalysts for oxidative coupling
03/19/1991US5001287 Purification of saturated halocarbons
03/19/1991US5001273 Method for preparing asymmetric aliphatic ketones
03/19/1991US5001267 Secondary alkyl amine derivatives of ethylenediamine
03/19/1991US5001265 Aqueous reduction process for halo-nitro-phenols
03/19/1991US5001103 Rhodium-free three-way catalyst
03/19/1991US5001100 Catalyst used in a process for producing pyromellitic dianhydride
03/19/1991US5001095 Method and apparatus for controlling moisture by flue gas segregation
03/19/1991US5000929 Exhaust gas purification catalyst
03/19/1991CA1281742C High purity process for the preparation of 4,6- diamino-1,3-benzenediol
03/19/1991CA1281739C Method to convert primary alkanols to their corresponding esters
03/19/1991CA1281703C Poly-metal-containing catalyst
03/13/1991EP0416906A2 Method of removing hydroperoxides from lubricating oils
03/13/1991EP0416874A1 Process for improving thermal stability of synthetic lubes
03/13/1991EP0416822A2 Stain-resistant plasticizer compositions and method of making same
03/13/1991EP0416744A2 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
03/13/1991EP0416683A1 P-cymenol preparation by transfer dehydrogenation
03/13/1991EP0416615A1 Process for preparing chlorotrifluoroethylene
03/13/1991EP0416304A2 Chromium compounds and uses thereof
03/13/1991EP0416140A1 Device for removing hydrogen and harmful substances from a gas mixture containing hydrogen and oxygen
03/13/1991CN1049800A Preparation of nickel-aluminium oxide catalyst
03/12/1991US4999450 Process for preparing alpha-(3-benzylphenyl) propionic acid derivative
03/12/1991US4999446 Catalysis with copper compound
03/12/1991US4999433 Process for the preparation of benzotriazole derivatives
03/12/1991US4999328 Hydrocracking of heavy oils in presence of petroleum coke derived from heavy oil coking operations
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