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)
12/1991
12/11/1991CN1056827A Polyoxometatate intercalated layered double hydroxides
12/11/1991CN1056825A Catalyst for eliminating nitrogen oxide from waste gas and preparation method thereof
12/11/1991CN1015050B Catalyst for removing hydrogen from co2 raw gas used to synthesize urea
12/10/1991US5072056 Synthesis of 2-phenyl-1,3-propanediol
12/10/1991US5072053 1,3-di-arylmethoxy-4,6-dinitro-benzenes, process for their preparation and process for the preparation of 4,6-diaminoresorcinol
12/10/1991US5072052 Process for the production of acrolein by catalytic gas-phase oxidation of propene
12/10/1991US5072037 Aldol condensation, hydrogenation, dehydration, hydroformylati on, oxidation; purity, by-product inhibition, pollution contro l
12/10/1991US5071980 Nickel-based dual catalyst systems effective in suppressing carbon dioxide formation during diethylene glycol amination
12/10/1991US5071975 Esterification of sucrose with fatty acid alkyl esters, alkaline catalyst
12/10/1991US5071818 Impregnationof porous ceramic with a tin carboxylate solution; drying; calcining, with platinum or palladium; carbon monoxid e oxidation catalyst
12/10/1991US5071817 Dehydrogenation catalyst
12/10/1991US5071816 Catalyst for purification of exhaust gas from diesel engine
12/10/1991US5071815 Doping metal oxide or compound with alkali or alkaline earth metal salt, oxidizing mixture to form metal oxides
12/10/1991US5071814 Process for producing molybdenum bismuth-containing metal oxide catalyst
12/10/1991US5071802 Regeneration of catalysts by burning in the presence of alcohols
12/10/1991US5071720 Cathode is stable hydride-forming material;alloy catalyst
12/10/1991US5071640 Cosmetic composition containing a polyoxyethylenated non-ionic surface-active agents with two lipophilic chains
12/10/1991US5071572 Production of alcohols
12/10/1991US5071538 Process for regenerating spent heavy hydrocarbon hydroprocessing catalyst
12/10/1991CA1292977C2 Oxidation of hydrocarbons with v-zr or v-ti catalyst
12/10/1991CA1292975C Silver catalyst
12/10/1991CA1292974C Process for the preparation of a silver-containing catalyst
12/09/1991CA2044046A1 Production of alpha para-dimethylstyrene
12/08/1991CA2019913A1 Production of vinylidene fluoride from 1,1-difluoroethane
12/07/1991CA2037691A1 Base metal automotive exhaust catalysts with improved activity and stability
12/05/1991WO1991018853A1 Fluorination process
12/05/1991CA2100976A1 Fluorination process
12/05/1991CA2043437A1 Preparation of conjugated dienes
12/04/1991EP0459729A1 Catalyst for production of substituted benzaldehyde, method for production of the catalyst, and method for production of substituted benzaldehyde
12/04/1991EP0459692A2 Alkyl substituted piperazines and use as chain extenders in polyurea elastomer systems
12/04/1991EP0459673A2 Piperazine derivatives as chain extenders in polyurea elastomer systems and method of making same
12/04/1991EP0459534A1 Monolith respectively honeycomb catalyst
12/04/1991EP0459471A1 Method for photosynthesis of organic substances from carbon dioxide and water
12/04/1991EP0459463A1 Process for preparing 1-chloro-1,2,2-trifluoroethylene or 1,2,2-trifluoroethylene
12/04/1991EP0459424A1 Process for producing the precursor of a precipitated catalyst for the ammonia synthesis
12/04/1991EP0459390A1 Sterically hindered amino hydrocarbylsilanes and process of preparation
12/04/1991EP0253827B1 Catalyst system and process for producing alcohols from olefines and synthesis gases
12/04/1991CN1014988B Improved process for mfr. of 1,1,1-trifluorodichloroethy lene and 1,1,1,2-tetrafluorochloroethylene
12/03/1991US5070065 Oxides of vanadium, aluminum and calcium; oxidation and reduct ion catalysts
12/03/1991US5070064 Controlling particle size distribution of fischer-tropsch cata lyst
12/03/1991US5070063 Ruthenium on alumina promoted with bromine; fischer-tropsch sy nthesis
12/03/1991US5070060 Oxidation of butane to maleic anhydride
12/03/1991US5070059 Ammoxidation; mixed oxides of vanadium, chromium, molybdenum a nd boron
12/03/1991US5070058 Method for making a catalyst composition used in the production of lower aliphatic alcohols
12/03/1991CA1292754C Lubricants comprising novel cyclopentanes, cyclopentadienes, cyclopentenes, and mixtures thereof and methods of manufacture
12/02/1991CA2043335A1 Method for photosynthesis of organic substances from carbon dioxide and water
11/1991
11/28/1991WO1991017824A1 Activation of noble metal catalysts for use in hydrodehalogenation of halogen-substituted hydrocarbons containing fluorine and at least one other halogen
11/28/1991DE4016301A1 Prepn. of alkoxylation catalyst esp. used in nonionic tenside prodn. - by treating aluminium with soln. contg. alkaline earth cations and inorganic anions and treating prod. with fatty acid
11/27/1991EP0458684A1 Reagent and process for the perfluoroalkylation of nucleophilic substrates by sodium perfluoroalkanesulfinates in an oxidising medium
11/27/1991EP0458675A1 Regeneration process of a used catalyst by an aqueous hydrogen peroxide solution stabilized by an organic compound
11/27/1991EP0458541A1 Improved phosphorous/vanadium oxidation catalyst
11/27/1991EP0458414A2 Metals-containing zeolites, a process for preparing such zeolites and their use in catalytic processes
11/27/1991EP0458216A1 Method for producing methyl isobutyl ketone
11/27/1991EP0282579B1 Cyclopentanes and lubricants comprising cyclopentanes
11/27/1991EP0263872B1 Alkaline earth metal spinels and processes for making and using same
11/26/1991WO1991018670A1 Polyoxometalate intercalated layered double hydroxides
11/26/1991US5068477 Impregnation with reducing agent, decomposition with heat and drying
11/26/1991US5068475 Process for purifying unreacted 1,2-dichloroethane from a 1,2-dichloroethane pyrolysis process
11/26/1991US5068472 Catalytic fluorination of hexachloropropylene with hydrogen fluoride followed by dehydrohalogenation
11/26/1991US5068466 Catalytic dehydrogenation of 8-hydroxymenthene as a perfume
11/26/1991US5068452 Aromatic aldehydes and their derivatives
11/26/1991US5068413 Multistage process to form 1-(aminomethyl)-cyclohexanecarboxylic acid from 1-cyanocycloalkylmalonic acid derivatives
11/26/1991US5068398 Preparation of 6-aminocaproic esters
11/26/1991US5068392 Process for the preparation of 2-chloro and 2,6-dichloroanilines
11/26/1991US5068361 Cyclization, deesterification, esterification over a fixed bed or fluidized bed oxidic catalyst
11/26/1991US5068335 Catalytic hydrogenation of triacetonamine in the presence of nickel, cobalt, ruthenium, rhodium, osmium and iridium
11/26/1991US5068217 Impregnation of an iron compound with a gold compound and roasting
11/26/1991US5068214 Impregnation a support with a solution of a platinum derivative and a cobalt salt, evaporation of a solvent and heating in hydrogen
11/26/1991US5068161 Platinum Alloy Electrocatalyst on Carbon Support
11/25/1991CA2042854A1 Process for the synthesis of n-vinyl amides
11/24/1991CA2043070A1 Process for the regeneration of used catalyst with an aqueous hydrogen peroxide solution stabilised with an organic compound, and composition useful for this process
11/23/1991CA2042886A1 Metals-containing zeolites, a process for preparing such zeolites and their use in catalytic processes
11/22/1991WO1991017825A1 Catalytic compositions
11/22/1991CA2082430A1 Catalytic compositions
11/21/1991EP0457725A2 Process for the preparation of 2,3-dibromopropionyl chloride
11/21/1991EP0457665A1 Process for the catalytic condensation of carboxylic acids and/or their derivatives and its application for the preparation of ketones, alcohols, amines and amides
11/21/1991EP0457606A1 Process for producing highly pure isophthalic acid
11/21/1991EP0457480A1 Catalytic reduction
11/21/1991EP0457059A1 Process for removal of nitrogen oxides producing HNO3
11/21/1991EP0456879A1 Process for the dehalogenation of organic compounds
11/21/1991EP0456837A1 Process for producing methacrolein and methacrylic acid
11/20/1991CN1056299A Process for obtaining at least one tertiary olefin by decomposition of corresponding ether
11/20/1991CN1014776B Inactivation of metal to prevent cracking catalyst being poluted
11/19/1991US5066809 Palladium Catalyst
11/19/1991US5066629 Group 2A oxide or carbonate mixed with clay
11/19/1991CA1292248C Steam dehydrogenation and oxidative reheat process using only one catalyst system
11/19/1991CA1292243C Process for the oxidation aldoses, catalyst used in said process and products thus obtained
11/14/1991DE4014681A1 New cubic bismuth sesqui:oxide superstructure phase contg. vanadium - prepd. from bismuth vanadate and aq. alkali, used as ion conductor or in pigment
11/13/1991EP0456552A1 Method for the production of 1,1,1,2-tetrafluoro-chloroethane and pentafluoroethane
11/13/1991EP0455661A1 Catalyst
11/13/1991EP0278981B1 Catalysts for the hydrodenitrogenation of organic materials
11/13/1991CN1056090A Method for alternating catalyst with carbon disulfide to sulfide cobalt-molybdenum
11/13/1991CN1056069A Process for preparation of alumina-based extrudates
11/13/1991CN1056067A Multi component cyclohexanol dehydrogenation catalyst
11/13/1991CN1056066A Fluid catalyst for use in gas phase oxidation of aromatic hydrocarbons
11/13/1991CA2042464A1 Process for the removing of nitrogen from exhaust gases while obtaining hno3
11/12/1991WO1991018398A1 Device for the recombination of hydrogen and oxygen and the use of said device
11/12/1991US5064804 Metal vanadates, molybdates, or tungsttes for hydrolysis
11/12/1991US5064803 Particle size
11/12/1991US5064792 Catalyst for the reduction of nitrogen oxides, a method for its preparation and the use thereof
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