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)
09/1981
09/15/1981US4289652 Catalyst comprising a metal substrate
09/08/1981US4288348 Separately supported polymetallic reforming catalyst
09/08/1981US4288346 Screen coated with alumina cement and platinum group metal
09/01/1981US4287378 By catalytic disproportionation, proportionation, or isomerization wherein the catalyst is a transition metal oxide exposed to radiation
09/01/1981US4287096 By converting an aluminum or silicon alloy matrix containing intermetallic catalytic particles to a ceramic
09/01/1981CA1108107A1 Cracking catalyst with improved resistance to poisoning by metals
08/1981
08/26/1981EP0034444A2 Enhancement of zeolite catalytic activity
08/26/1981EP0034228A1 Reforming process
08/25/1981US4285908 Catalyst regeneration apparatus
08/25/1981US4285836 Impregnating solution for hydrotreating catalyst manufacture and production thereof
08/25/1981US4285807 Fluorine, nickel, molybdenum catalyst
08/18/1981US4284675 Carriers for catalysts
08/18/1981CA1107266A1 Method for preparing metal-carbonyl clusters immobilized in zeolites, and their use as heterogeneous catalysts
08/12/1981EP0033589A1 Method of preparing a catalyst for synthesizing unsaturated esters
08/11/1981US4283585 Comprising a refractory metal oxide carrier, a platinum group metal, a group 4 or 6 metal, and a metal halide
08/11/1981US4283583 Alkylation of aromatic hydrocarbons in the presence of coated zeolite catalysts
08/11/1981US4283581 Hydrogenation process
08/11/1981US4283308 Auto exhaust gas catalyst, and process for production thereof
08/05/1981EP0033202A1 Ferritic stainless steel substrate for catalytic system
08/04/1981US4282115 Catalyst for selectively reducing nitrogen oxides from oxygen-containing exhaust gases
08/04/1981CA1106352A1 Production of perchloromethyl mercaptan
08/04/1981CA1106349A1 Catalyst and process for the preparation of amines from alcohols
08/04/1981CA1106347A1 Hydrocarbon conversion catalyst manufacture
07/1981
07/28/1981US4280929 Attrition resistant-higher active component fluid bed catalysts
07/22/1981EP0032455A2 Improved heterogeneous catalyst
07/22/1981EP0032277A1 Catalyst and process for catalytically cracking a sulfur-containing hydrocarbon feed with reduced sulfur oxides emission during catalyst regeneration
07/21/1981US4279782 Application of an alumina coating to oxide whisker-covered surface on Al-containing stainless steel foil
07/21/1981US4279778 Process for the preparation of a sulphided fluorine-containing nickel-tungsten catalyst for the conversion of hydrocarbons
07/21/1981US4279737 Of ruthenium, rhodium, osmium or iridium - also useful in hydrodenitrogenation
07/14/1981US4278568 Process of manufacturing sheet metal elements or strip having a catalytic surface structure
07/14/1981US4278567 Process for preparation of copper-iron-aluminum hydrogenation catalyst
07/14/1981CA1104962A1 Air distribution apparatus
07/08/1981EP0031700A1 Preparation of magnetic catalysts, and hydrocarbon reforming process using the magnetic catalyst
07/07/1981USRE30668 Impregnation of alumina with silicon compound followed by controlled oxidation
07/07/1981US4277587 For polymerization of 1-olefins
07/07/1981US4277376 Process for the manufacture of a monolithic support for catalysts suitable for use in controlling carbon monoxide emissions
07/07/1981US4277374 For automobile catalytic exhaust systems
06/1981
06/30/1981US4276327 Process for depositing alumina onto a substrate and alumina regeneration
06/30/1981US4276203 Enhanced surface area and secure adhesion to support
06/30/1981US4276201 Metals, oxides, and sulfides of groups 6 and 8
06/30/1981US4276196 Metal oxides on a support with sorbed silica sol; for oxidation of an alpha-olefin to the corresponding unsaturated aldehyde
06/30/1981CA1104112A1 Method of preparing activated graphite and catalysts based thereon
06/30/1981CA1104084A1 Process for the manufacture of lubricating oil
06/30/1981CA1103896A1 Methods for preparation and use of aluminas having contolled porosity
06/23/1981US4274981 Catalyst for purifying exhaust gas and the process for manufacturing thereof
06/23/1981CA1103650A1 Treatment of silica
06/16/1981US4273753 With inorganic halide or oxyhalide
06/16/1981US4273679 Aluminum alloys having a high reducing capacity and preparation thereof
06/16/1981US4273678 Method of preparing an oxychlorination catalyst
06/16/1981CA1103241A1 Catalyst and method of manufacture and use thereof
06/16/1981CA1103240A1 Catalytic composition of matter comprising a metal phthalocyanine
06/09/1981US4272409 Aluminosilicate sols and powders
06/09/1981US4272400 Regeneration of spent hydrodesulfurization catalysts employing presulfiding treatment and heteropoly acids
06/03/1981EP0029675A1 Non-ferrous group VIII aluminium coprecipitated hydrogenation catalysts, process for preparing these catalysts and their use in hydrogenation processes
06/02/1981US4271302 Hydroreforming precursors, complexes with pyridine, triphenylphosphine and carbon monoxide
06/02/1981US4271042 Process for demetalation and desulfurization of petroleum oils
06/02/1981CA1102299A1 Platinum-rhodium catalyst for automotive emission control
05/1981
05/26/1981US4269737 Acid catalysts for petroleum refining comprising an oxide component of tungsten or niobium; pretreatment of steaming at high temperatures in the presence of inert gases
05/20/1981EP0028667A1 High surface area catalysts, their preparation, and hydrocarbon processes using them
05/20/1981EP0028649A1 A process for bonding agglomerates
05/19/1981US4268416 Gaseous passivation of metal contaminants on cracking catalyst
05/19/1981US4268302 Method of producing acicular metal crystals
05/06/1981EP0028107A1 Process for the production of esters in the presence of a heterogeneous esterification catalyst
05/05/1981CA1100477A1 Catalyst comprising phosphoric acid on silica gel, its preparation and use
05/05/1981CA1100476A1 Supported vanadia catalyst and use thereof for nitrile production
05/05/1981CA1100474A1 Catalyst reduction method
04/1981
04/29/1981EP0027741A1 Reforming catalyst and its use for the reforming of a hydrocarbon stream
04/28/1981US4264475 Bimetallic reforming catalyst containing separate platinum-containing and iridium-containing particles
04/28/1981US4264421 Electroless metal deposition by the photodegradation by radiation of a suspension of metal compound-containing solution and semiconductor oxide
04/21/1981US4263225 Hydrogenation process using supported nickel-cobalt-silica coprecipitated catalyst
04/21/1981US4263173 Supported nickel-cobalt-silica coprecipitated hydrogenation catalyst
04/21/1981US4263170 Coordination catalyst comprising a magnesium compound, obtained by the thermal decomposition of an organomagnesium halide, and a halide of titanium or vanadium
04/21/1981US4263134 Mixture of a catalyst support containing platinum oxide and another containing iridium oxide; high-octane gasoline
04/21/1981CA1099696A1 Catalytic components and catalysts for the polymerization of olefins
04/16/1981WO1981000971A1 Catalyst compositions,their method of formation and combustion processes using the catalyst compositions
04/16/1981WO1981000970A1 Catalyst compositions,their method of formulation and combustion processes using the catalyst compositions
04/07/1981USRE30569 Process for preparing aggregates
04/07/1981US4260521 Aluminum and silicon allou
04/07/1981CA1098890A1 Highly dispersed catalytic platinum
03/1981
03/31/1981US4259299 Process for removing ozone from an ozone-containing gas
03/31/1981US4259211 Catalyst for the oxidation of acrolein and methacrolein to acrylic acid and methacrylic acid, respectively
03/25/1981EP0025715A1 Process for the production of a supported solid oxide complex catalyst and use thereof
03/24/1981US4257918 Catalyst mixture for the catalytic reduction of nitrogen oxides in gaseous mixtures
03/24/1981US4257916 Reacting an inorganic oxide with a haloalkyl oxysilane which product is reacted with an inorganic sulfite to form a sulfonate salt
03/24/1981US4257874 Petroleum refinery processes using catalyst of aluminosilicate sols and powders
03/24/1981CA1098105A1 Catalyst for automotive emission control and method for making same
03/24/1981CA1098102A1 Pretreating process for the stabilization of a catalyst for the conversion of aromatic hydrocarbons
03/17/1981US4256722 Process for producing porous spinel materials
03/17/1981US4256654 Conversion of hydrogen and carbon monoxide into C1 -C4 range hydrocarbons
03/17/1981US4256653 Preparation and use of high surface area transition metal catalysts
03/17/1981US4256609 Physical adsorption of a group 6,7,or 8 metal compound
03/10/1981US4255289 Roasting a mass comprising magnetic alloy particles dispersed as inclusions in an inorganic oxide matrix incorporating a group 8 metal compound
03/10/1981US4255285 For the catalytic oxidation of a 1-phenylindan to an anthraquinone; atomizing an aqueous vanadium compound to coat and roast moving carrier particles
03/10/1981US4255253 Hydrogen processing of hydrocarbon feeds using coated catalysts
03/10/1981CA1097315A1 Gas making
03/10/1981CA1097308A1 Method of making fluid catalysts
03/10/1981CA1097307A1 Electrocatalysts and a method for the preparation thereof
03/03/1981US4253991 Calcined nickel oxide in hydraulic cement binder
03/03/1981US4253990 Diatomite, bentonite clay and silica calcined with corn meal and cellulose fibers burned out to provide porosity
03/03/1981US4253988 Wetting the precursor prior to calcining thereby reducing attrition of the oxidation catalyst agglomerants
1 ... 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 ... 393