Patents
Patents for B01J 21 - Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium (28,523)
01/1990
01/17/1990EP0350666A2 Process for preparing N-vinyl amides
01/16/1990US4894478 Process of producing ketoximes
01/16/1990US4894354 Method of making a conversion catalyst having an anatase vanadium passivating agent for treating a heavy hydrocarbon feedstock
01/16/1990US4894189 Process for the production of spherical particles
01/16/1990US4894143 Catalytic cracking process employing an aluminum silicon spinel-mullite-gamma alumia containing catalyst
01/11/1990DE3823104A1 Process and plant for treating exhausted DeNOx catalyst plates
01/10/1990EP0349861A1 Process for the preparation of caprolactone
01/10/1990EP0349655A1 Process for separating and recovering carbonic acid gas from gas mixture by adsorption
01/10/1990EP0261129B1 Process for the production of tertiary olefins by decomposition of alkyl-tert.alkyl-ethers
01/09/1990US4892974 Process for producing mono-ortho-tert-butyl-aniline using silica-alumina catalysts
01/09/1990US4892855 Catalyst and method for producing methanol from hydrogen and carbon monoxide
01/09/1990US4892686 Process for the preparation of 1-nitroanthraquinone
01/03/1990EP0349512A1 Procedure for the refining of oils
01/02/1990US4891348 Catalyst for removing nitrogen oxides in exhaust gases
01/02/1990US4891130 Process for removing metals from aluminosilicate materials
01/02/1990US4891127 Preparation and use of catalysts comprising a mixture of tungsten oxide and silica supported on a boehmite-like surface
12/1989
12/27/1989EP0348263A1 New catalyst useful in selective nitrogen oxides reduction process
12/27/1989EP0347926A2 Catalytic process for the manufacture of oximes
12/27/1989EP0347500A1 Method of making ethylbiphenyls
12/27/1989CN1006224B New functionalized perfluoropolyethers and process for the prepn.
12/27/1989CN1006200B Prepn. of high surface area agglomerates for catalyst support and preparation of monolithic support structures containing them
12/27/1989CA1264051A1 Catalysts and catalyst supports
12/26/1989US4889840 Catalyst compositions useful for olefin isomerization and disproportionation and method for preparing the catalyst compositions
12/26/1989US4889839 Oxidation catalysts
12/26/1989US4889838 Redistribution of organohalosilanes utilizing heat treated crystalline alumina catalysts
12/20/1989CN1038119A Supported non-noble metal hydrocracking catalyst
12/19/1989US4888319 Silica-alumina extrudates
12/19/1989US4888104 Using regenerable hydrorefining catalyst of organometallic compounds and refractory with controlled pore size
12/13/1989EP0345856A1 A process for the preparation of an oxirane compound
12/13/1989EP0345695A2 Catalysts for selective catalytic reduction denox technology
12/12/1989US4886922 Catalyst for dehydrohalogenation
11/1989
11/30/1989WO1989011466A1 Process and apparatus for hydrotreating olefinic distillate
11/29/1989EP0343640A2 Process for producing heterocyclic aldehydes
11/28/1989US4883894 Process for the production in continuous of phthalodinitrile
11/28/1989US4883893 From bis(trichloromethyl)benzenes and ammonia, dehydration catalyst
11/28/1989US4883783 Catalytic cracking
11/28/1989CA1263408A1 Catalytic process for preparing cyclohexanone-oxime
11/23/1989EP0343048A1 Process for producing nitrobenzenes
11/23/1989EP0342598A1 Process for fabricating activated carbon supporting honeycomb structure
11/23/1989EP0342475A1 Process for production of carboxylic acid esters
11/23/1989DE3834034A1 Process for the regeneration of arsenic-contaminated sorbents
11/23/1989DE3816600A1 Process for the regeneration of arsenic-contaminated catalysts and sorbents
11/22/1989CN1037337A Liquid substituted 2h-benzotriazole mixtures
11/21/1989US4882037 Process for treating a temperature-sensitive hydrocarbonaceous stream containing a non-distillable component to produce a selected hydrogenated distillable light hydrocarbonaceous product
11/21/1989CA1263105A1 Co hydrogenation with molybdenum on wide-pore carbon catalysts
11/14/1989US4880937 Method of producing alcohol compounds
11/09/1989DE3806732A1 Methode zur vergasung von organischem material in synthesegas oder gasfoermigen oder fluessigen kohlenwasserstoffen oder zur entfernung von organischem material in abwasser Method for the gasification of organic material into synthesis gas or houses on gaseous or liquid hydrocarbons or organic material in wastewater distance from
11/08/1989EP0340868A1 Catalytically active silica and alumina gel and process for preparing it
11/08/1989EP0340862A1 Method for preparing cumene
11/08/1989CN1036913A Ammoxidation of paraffins and catalysts therefor
11/08/1989CN1005707B Process for removing nh3 in so2-containing gas
11/08/1989CN1005683B Improved monolithic catalyst support incorporating mixture of alumina and silica as a high surface area catalyst support material
11/08/1989CN1005682B Method for producing high-strength high surface area catalyst supports
11/08/1989CN1005681B Preparation of monolithic catalyst support structures having an integrated high surface area phase
11/07/1989US4879387 Catalytic oxidation, naphthalene, o-xylene, titanium dioxide, vanadium pentoxide, cesium compound
11/02/1989EP0339640A1 Alumina-titania composition
11/02/1989EP0339553A2 Catalyst and process for producing aromatic nitriles
10/1989
10/31/1989US4877909 Process for reducing aldehydes or ketones
10/31/1989US4877670 Cordierite honeycomb structural body and method of producing the same
10/25/1989EP0339012A1 Process for producing gamma-butyrolactone
10/25/1989EP0338788A1 Catalyst for hydrotreating hydrocarbons
10/24/1989US4876408 Alkylation process using a catalyst having an increased selectivity for monoalkylation
10/24/1989US4876372 Method for preparing epichlorohydrins
10/19/1989WO1989009650A1 Catalytically active material
10/18/1989EP0337942A1 Liquid substituted 2H-benzotriazole mixtures
10/18/1989EP0337285A2 Process for the production of fluid permeable ceramic material
10/18/1989EP0337186A1 Preparation of promoted silica catalysts
10/11/1989EP0336882A1 Catalyst filter, method for manufacturing a catalyst filter and comprehensive method for treating a combustion exhaust gas using a catalyst filter
10/11/1989EP0336134A2 Process for producing mono-ortho-tert-butyl-aniline using silica-alumina catalysts
10/11/1989CN1036199A Method for pure dimethyl ether prodn.
10/10/1989US4873391 Process for producing isobutylene
10/10/1989US4873388 Catalyst comprising an oxycompound of boron or phosphorus supported on a non-reducible metal compound
10/04/1989EP0335583A1 Hydrotreating catalyst and process
10/04/1989EP0335130A1 Mixed basic metal oxide catalyst
10/04/1989EP0334941A1 Increasing the level of 2-methyl-2-butene in isoamylene
10/03/1989US4871882 Process for the preparation of decabromodiphenyl ether with improved thermal stability
10/03/1989US4871858 Method of producing formamide compounds
10/03/1989US4871693 Porous cordierite ceramics
10/03/1989CA1262123A1 High temperature catalyst compositions for internal combustion engine
09/1989
09/27/1989EP0334332A1 Ortho-alkylated aromatic amines via gamma alumina catalyst
09/27/1989EP0334049A2 Process for the preparation of halogen-substituted phthalic anhydrides
09/27/1989EP0333787A1 Process and device for purifying liquids
09/27/1989CN1035836A Hydrocracking of heavy oils in presence of iron-coal slurry
09/27/1989CN1035819A Process for producing phenol and/or cyclohexanone
09/26/1989US4870195 Oxidation catalyst and process for its preparation
09/26/1989US4870045 High-temperature resistant molded catalysts and process for their production
09/26/1989US4870044 Treated alumina material for fixed hydrofining beds
09/26/1989US4869944 Catalyst support; heat resistance, shockproof, coatability
09/26/1989US4869792 Electrochemical process for producing catalysts
09/26/1989CA1261814A1 Hydroconversion catalyst and process
09/26/1989CA1261590A1 Rehydration bondable alumina
09/26/1989CA1261358A1 Production of tertiary olefins
09/26/1989CA1260920A1 Crystalline magnesia-silica composites and process for producing same
09/26/1989CA1259779A1 Moldings made of silicate material, their use and processes for their preparation
09/21/1989DE3743248C1 Process for preparing a catalyst for flue gas purification
09/20/1989EP0333527A1 Process for the preparation of dithiols
09/20/1989EP0333078A1 Method for one-step synthesis of methyl t-butyl ether
09/20/1989EP0333037A2 Process for steam reforming of hydrocarbon
09/20/1989EP0256010B1 Use of an active coke for removal of nitrogen oxide from exhaust gases
09/19/1989US4868147 Alumina of high macroporosity and stability