Patents
Patents for B01J 21 - Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium (28,523)
08/1992
08/06/1992WO1992012792A1 Alumina catalyst supports
08/05/1992EP0497436A2 Preparation of a carrier for a hydrotreating catalyst
08/05/1992EP0497435A2 Preparation of a hydrotreating catalyst
08/05/1992CA2060527A1 Process for producing lower olefins
08/04/1992US5136107 Process for halogenating aromatic compounds
08/04/1992US5135756 Process for improving the physical and catalytic properties of a fluid cracking catalyst
08/04/1992US5135642 For cracking, hydrocracking & alkylation
08/04/1992US5135641 Catalytic cracking process employing silica/alumina cogel catalysts
07/1992
07/29/1992EP0496700A1 Diphosphines containing silane groups, immobilized diphosphines and their use as hydrogenation catalysts
07/29/1992EP0496470A1 Ethylene oxide catalyst and process for its preparation and use
07/29/1992EP0496386A1 Catalyst carrier, composition and process for making same
07/29/1992EP0496385A1 Multistep process for the liquid phase ammoximation of carbonyl compounds
07/29/1992EP0495815A1 Process for making alkyl polyethoxy ether sulphates
07/29/1992CA2056000A1 Composition and method of making high porosity, high strength compositions
07/28/1992CA1305727C Process for producing ketoximes
07/23/1992WO1992012113A1 Catalytic hydrogenolysis
07/23/1992WO1992011934A1 Layered oxide materials and swollen and pillared forms thereof
07/22/1992EP0495534A2 Catalyst for steam reforming of hydrocarbon
07/22/1992EP0494954A1 Battery
07/22/1992CN1017498B Preparation of load type cross-linked clay catalyst and its product
07/21/1992US5132481 Process of methane oxidative coupling with hydrogen activation of catalyst
07/21/1992US5132480 Continuous withdrawal of catalyst, regeneration by gasification of coke
07/21/1992US5132468 C-alkylation of hydroquinone or monoethers thereof
07/21/1992US5132444 Gas-phase preparation of vinyl phosphonic acid derivatives
07/15/1992EP0494303A1 Amorphous alloy catalyst for cleaning exhaust gas
07/15/1992EP0494250A1 Process for the preparation of dihidroxy esters
07/15/1992CN1062717A Process and catalyst for converting methane into higher hydrocarbon products
07/15/1992CN1017417B Process for preparing granule of aluminum oxide and products thereform
07/14/1992US5130287 Hyrolysis of zirconyl nitrate with ammonia, washing with ammonium hydroxide, drying; alcohols to olefins
07/14/1992US5130114 Catalyst for steam reforming of hydrocarbon
07/14/1992US5130031 Method of treating aqueous liquids using light energy, ultrasonic energy, and a photocatalyst
07/08/1992EP0493803A1 Catalyst for oxidizing carbon-containing compounds and method for the production of the same
07/07/1992US5128490 Distillation, cyclization in presence of phyllosilicate
07/07/1992US5128301 Catalyst for removal of nitrogen oxides and method for removal of nitrogen oxides by use of the catalyst
07/07/1992US5128291 Porous titania or zirconia spheres
07/07/1992US5128114 Catalyst supports, urea or ammonium citrate additive
07/02/1992DE4042594A1 Verfahren zur herstellung von aluminiumoxidkugeln A process for producing aluminum oxide spheres
07/01/1992EP0492697A1 Catalytically active gel and a process for its preparation
07/01/1992EP0492695A1 Process for converting methane into higher hydrocarbon products
07/01/1992EP0492594A1 Bromination of ortho-xylene
07/01/1992EP0492473A1 Process for the preparation of 4-substituted 2,6-dialkylanilines
07/01/1992EP0492233A1 Method for the preparation of 5-cyano-4-alkyl-oxazol
07/01/1992EP0491931A1 COMPOSITE CLAY MATERIALS FOR REMOVAL OF SO x? FROM GAS STREAMS.
07/01/1992CN1062308A Synthetic porous crystalline material its synthesis and use
07/01/1992CN1062307A Lewis acid promoted transition alumina catalysts and isoparaffin alkylation processes using those catalysts
06/1992
06/30/1992US5126306 Olefin dimerization catalysts
06/30/1992US5126300 Alkaline earth oxide or hydroxide precipitated in smectite to react with sulfur oxides
06/25/1992DE4106873C1 Prodn. of catalyst for denitrification of waste gases - with reduced amt. of waste water and waste gases during prodn.
06/24/1992EP0491520A1 Kandite clay compositions
06/23/1992US5124303 Reinforced catalyst for treatment of waste gas
06/23/1992CA1304094C Method for ammoxidation of paraffins and catalyst therefor
06/23/1992CA1304066C High temperature resistant catalyst shaped bodies and process for their production
06/22/1992CA2057837A1 Process and catalyst for converting methane into higher hydrocarbon products
06/21/1992WO1992011224A1 Process for the preparation of glycol ethers
06/21/1992CA2076376A1 Process for the preparation of glycol ethers
06/21/1992CA2058140A1 Process for the production of 4-substituted 2, 6-dialkylanilines
06/18/1992CA2055365A1 Pillared interlayered kandite clay compositions
06/17/1992EP0490317A1 Active carbon materials, process for the preparation thereof and the use thereof
06/17/1992EP0490226A1 Porous titania spheres
06/17/1992CN1061953A Process for preparation of ethers
06/16/1992US5122495 Activated catalyst for the vapor phase hydrogenation of maleic anhydride to gamma-butyrolactone in high conversion and high selectivity
06/16/1992CA1303595C Hydrotreating catalyst
06/12/1992CA2050548A1 Porous titania spheres
06/11/1992WO1992009365A1 A catalyst structure having integral heat exchange (ii)
06/11/1992DE4038933A1 Benzylation of aromatic cpds. - using carbon@ catalyst which can be used repeatedly and left in the prod. as inert filler
06/10/1992EP0489441A1 Metal catalyzed production of tetrachlorosilane
06/09/1992US5120883 Catalytic process for producing CCl3 CF3
06/09/1992US5120880 Preparation of muscone, intermediates for this preparation and preparation of said intermediates
06/09/1992US5120701 Pore size catalyst with high strength, free of binder and purity
06/09/1992US5120699 Platinum-on-graphite catalysts and the use thereof
06/09/1992US5120520 In presence of metal or metal-contianing catalyst
06/09/1992CA1302681C Ceramic bodies produced from boehmite gels by a hydrothermal process
06/08/1992WO1992010486A1 Method for preparing 5-hydroxymethyl furfural by contact catalysis
06/08/1992CA2097812A1 5-hydroxymethylfurfural preparation process by heterogeneous catalysis
06/07/1992CA2055304A1 Metal catalyzed production of tetrachlorosilanes
06/03/1992EP0488347A1 Diesel engine exhaust gas-purifying catalyst
06/03/1992EP0488045A2 Process for the preparation of beta-Isophorone
06/03/1992EP0307446B1 Liquid phase isomerization of iodoaromatic compounds
06/02/1992US5118898 Exothermic/endothermic and single fluidized-bed reaction system
06/02/1992US5118864 Preparation of cyclopentenones
06/02/1992US5118821 Catalytic hydrogenation of maleic anhydride
06/02/1992US5118654 Heating a mixture of magnesium and lithium acetate
06/02/1992US5118492 Process for the catalytic decomposition of chlorofluoro-alkanes
06/02/1992CA1302437C Production of ethers from olefins
06/02/1992CA1302331C Production of lubricating oils by hydrocracking
05/1992
05/30/1992CA2056599A1 Diesel engine exhaust gas-purifying catalyst
05/27/1992CN1016776B Boron-promoted reducible metal oxides and method of their use
05/27/1992CN1016773B Layered silicates and their synthesis
05/27/1992CN1016772B Layered metal oxides containing interlayer oxides and their synthesis
05/27/1992CN1016771B Layered metal chalcogenides containing interspathic polymeric chalcogenides
05/26/1992US5116801 Spinel, Alumina Support, Vanadium Oxide, Molybdenum or Tungsten Oxide
05/26/1992CA1301687C Carrier material for immobilizing microorganisms
05/20/1992EP0485855A1 Process for the preparation of aromatic diesters of carbonic acid
05/20/1992EP0485787A1 Treatment equipment of exhaust gas containing organic halogen compounds
05/20/1992CN1061223A Catalytic production of lactide directly from lactic acid
05/20/1992CN1016677B Method for preparation of layered metal oxides containing interlayer oxides
05/20/1992CN1016671B Method for preparation of silicon oxide extrudates
05/19/1992US5115053 Aging, spray drying and adding a chromium compound to produce a polymerization catalyst for olefins
05/19/1992US5114901 Ceramic coating for a catalyst support
05/19/1992US5114899 Olefin disproportionation catalyst and process