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 37 - Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
Patents for B01J 37 - Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts (39,240)
12/1990
12/27/1990EP0404382A1 Cracking catalyst composition and its use in hydrocarbon cracking processes
12/27/1990EP0404297A1 Process for preparing chlorofluorocarbons via an in situ generated activated aluminum trihalide catalyst
12/27/1990EP0403966A1 Molded aluminosilicate catalyst and method for its preparation
12/25/1990US4980329 Catalyst component and catalyst for the polymerization of alpha-olefins to stereoregular polymers having narrow molecular weight distribution
12/25/1990US4980327 Reduced and stabilized hydrogenation catalysts
12/25/1990US4980324 Simplification, low temperature
12/25/1990US4980052 Using circulating copper-loaded zeolite to reduce emissions of toxic nitrogen oxides from flue gas
12/25/1990US4980049 Mixing in getter additive
12/23/1990CA2018370A1 Coated catalysts useful for the hydrogenation of maleic anhydride to tetrahydrofuran and gamma-butyrolactone
12/20/1990CA2019305A1 Molded aluminosilicate catalyst and method for its preparation
12/19/1990EP0402727A1 Process to prepare an iron catalyst and process to prepare primary amines by hydrogenation of nitriles using said iron catalyst
12/16/1990CA2017985A1 Process for the preparation of an iron catalyst and a process for the preparation of primary amines by the hydrogenation of nitriles using said iron catalyst
12/14/1990CA2012792A1 Process for preparing chlorofluorocarbons via an in situ generated activated aluminum trihalide catalyst and products resulting therefrom
12/13/1990WO1990015020A2 High-temperature aerosol decomposition process and products produced
12/13/1990WO1990014888A1 Exhaust gas purifying catalyst excellent in thermal resistance and method of production thereof
12/13/1990WO1990014887A1 Exhaust gas purifying catalyst excellent in thermal resistance and method of production thereof
12/12/1990CN1010782B Catalyst solid which can be used for stereospecific polymerization of alpha-olefins, process for preparation thereof and process for polymerizaiton of alpha-olefins in presence thereof
12/11/1990US4977126 Process for the preparation of surface impregnated dispersed cobalt metal catalysts
12/11/1990US4977123 Preparation of extrusions of bulk mixed oxide compounds with high macroporosity and mechanical strength
12/11/1990US4977120 Binderless zeolite catalysts, production thereof and catalytic reaction therewith
12/11/1990US4977117 Reacting oxides of nickel and molybdenum with a polysulfide, in first stage without hydrogen and in second stage without hydrogen; arcylamine present
12/11/1990US4976846 Cracking with catalyst comprising zeolite type y and non-zeolitic silicoaluminophosphate molecular sieve
12/05/1990EP0400591A2 Supported catalysts for removing nitrogen oxides carbon monoxide and organic compounds from exhaust gases
12/05/1990EP0400590A1 Use of a supported transition metal phthalocyanine catalyst to remove organic compounds containing oxygen and/or nitrogen out of exhaust gases
12/04/1990US4975406 Washcoat layer with support, metal oxide promoter and active noble metals
12/04/1990US4975402 Zeolites with zinc oxide and aluminum oxide; efficiency
12/04/1990US4975180 Introducing phosphorus containing alumina separately from zeolyte catalyst in catalytic cracking zone
12/01/1990WO1990015039A1 Treatment of arsine removal catalysts
11/1990
11/29/1990WO1990014684A1 Preparation of substrates
11/28/1990EP0399203A2 Monolith or honeycomb catalyst
11/28/1990CN1047328A Air controlled catalyst cooling apparatus with internal circulation
11/28/1990CN1047225A Catalyst with oxidizing and reducing activities and preparing process thereof
11/27/1990US4973792 Ethylene and propylene from metanol
11/27/1990US4973570 Vanadium pentaoxide, potassium salt on diatomeaceous earth carrier
11/27/1990US4973399 Copper containing zeolite
11/27/1990US4973397 Hydrotreating process with mixed catalysts
11/22/1990EP0398752A1 Catalyst for reducing nitrogen oxides
11/22/1990EP0398668A1 Nickel/silica catalyst and the preparation and use thereof
11/22/1990EP0398128A1 Process and apparatus for uniform impregnation of a support member with a defined quantity of a substance formed from solutions or dispersions
11/22/1990DE3916398A1 Supported catalyst contg. heat sensitive component - made by thermally spraying material contg. lower melting component
11/21/1990CN1010462B Process for producing fluidized catalyst for synthesis of methanol
11/20/1990US4971939 Process for applying a catalyst layer composed of noble metals and/or noble-metal compounds to a support made of ceramic material
11/14/1990EP0397644A1 Catalyst preparation process
11/14/1990EP0397342A1 Catalysts
11/14/1990EP0396740A1 Slurry catalysts for hydroprocessing heavy and refractory oils
11/14/1990CN1010382B Method of impregnating ceramic monolithic structures with predetermined amounts of catalyst
11/13/1990US4970397 Method and apparatus for activating catalysts using electromagnetic radiation
11/13/1990US4970191 Mixing acid, pseudoboehmite, and magnesium oxide or hydroxide; agitation, drying, and roasting
11/13/1990US4970188 Catalyst for removing nitrogen oxides, carbon monoxide, and/or residual hydrocarbons from exhaust gases
11/13/1990CA2016537A1 Method and apparatus for uniformly loading one-piece carrier members with a defined quantity of dispersions or solutions
11/07/1990EP0396206A1 Process for the preparation of a sulphided catalyst and use of said catalyst
11/07/1990EP0396159A2 Ceric oxide contaning composition, its preparation and its uses
11/06/1990US4968842 Ammoxidation; catalyst of silica and titanium oxide
11/06/1990US4968660 Carrier surface stabilized with group 3 or group 4 oxide
11/06/1990CA1276001C High pore volume aluminum phosphate
11/01/1990WO1990012647A1 Process for presulphurizing a catalyser for treating hydrocarbons
10/1990
10/31/1990EP0395471A1 Process for the preparation of catalyst precursors containing copper, aluminium and zinc, useful for synthesis and decomposition of methanol
10/31/1990EP0395373A2 Modification of natural clinoptilolite and its use as an oligomerisation catalyst
10/31/1990EP0395022A2 Process for producing perovskite-type oxide catalyst
10/31/1990EP0394682A1 Method of ortho-alkylating phenol
10/31/1990EP0394677A1 Pressed bodies based on pyrogenic titanium dioxide, process for their preparation and their use
10/31/1990EP0324984B1 Process for the preparation of a mixture of cyclohexyl amine and dicyclohexyl amine using a ruthenium catalyst
10/31/1990CN1046474A Sulfidation method for co-mo series sulfur-proof carbon monoxide low converting catalyzator
10/30/1990US4966877 Method for making heteropolyacid catalysts and catalysts made by the method
10/30/1990US4966873 Catalysts for the removal of nitrogen oxides
10/27/1990CA2015447A1 Modification of natural zeolite and its use as an oligomerisation catalyst
10/24/1990EP0393356A1 Pressed bodies based on pyrogenic silicon dioxide, process for their preparation and their use
10/23/1990CA1275399C Attrition resistant catalysts, catalyst precursors and catalyst supports
10/19/1990WO1990012645A1 Basic mixed oxide
10/10/1990CN1009902B Dewaxing catalyst employing non-zeolitic molecular sieves
10/09/1990US4962280 Carrier material for a catalyst and a process for making such a carrier material
10/09/1990US4962272 Treatment of arsine removal catalysts
10/09/1990US4962078 Cobalt-titania catalysts, process utilizing these catalysts for the preparation of hydrocarbons from synthesis gas, and process for the preparation of said catalysts
10/09/1990CA1275090A1 Catalysts comprising silica supported on a boehmite- like surface, their preparation and use
10/03/1990EP0390321A1 Porous sintered metal structure with a cured oxide layer
10/03/1990EP0390257A1 Process for preparing a purified mineral coating
10/03/1990EP0389701A1 Ammoxidation of paraffins and catalysts therefor
10/03/1990EP0389530A1 New catalysts based on zeolites modified by alkaline elements in metallic form, their preparation and their application to the alkylation of alkyl aromatic derivatives.
10/03/1990EP0070824B2 Hydrocarbon conversion catalyst
10/03/1990CN1045763A Titania extrudates
10/03/1990CN1009828B Process for preparation of silver-contg. catalyst
10/03/1990CN1009827B Process for preparation of silver-contg. catalyst
10/03/1990CN1009804B Trimetallic catalyst for hydrocarbon coversion
10/03/1990CN1009803B Process of preparing honeycomb catalyst for removing nitrogen oxides by reduction
10/02/1990US4960554 Injection modling, extrusion die for use with inorganic oxide pastes
10/02/1990US4960506 Desulfurization of hydrocarbons using molybdenum or tungsten sulfide catalysts promoted with low valent group VIII metals
09/1990
09/27/1990DE4002287A1 Modified, highly dispersed inorganic xerogel prepn. - by adding soln. of functionalised alkoxy:silane to metal oxide sol, drying modified gel to give modified xerogel and drying
09/26/1990EP0389255A1 Process for producing molybdenum bismuth-containing metal oxide catalyst
09/26/1990EP0389158A1 High activity nickel catalyst and process for preparation thereof
09/26/1990EP0389119A2 Halogen resistant hydrotreating process and catalyst
09/26/1990EP0389041A1 Titania extrudates
09/25/1990US4959342 Exhaust systems, stainless steel substrate, aluminum-iron alloy
09/20/1990WO1990010499A1 Process for improving the physical and catalytic properties of a fluid cracking catalyst
09/20/1990WO1990010493A1 Process for coating a catalyst support
09/20/1990DE3908739A1 Process for the removal or decrease of halogenated aromatic compounds from exhaust gases of incineration plants for waste or special waste
09/19/1990EP0387417A1 Method of eliminating or diminishing halogenated aromates in exhaust gases from the combustion of refuse
09/19/1990EP0387394A1 Process for manufacturing the body of a filter or a catalyst
09/18/1990US4957896 Catalyst for purification of exhaust gases
09/18/1990US4957895 Hydrotreating catalyst and process
09/18/1990US4957892 Alkaline earth and aluminum metal containing spinel as hydrorefining catalyst
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