Patents for B01J 21 - Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium (28,523) |
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05/25/1990 | CA2003464A1 Carrier for gas-treating catalyst, method for production thereof, and gas-treating catalyst incorporating said carrier therein |
05/23/1990 | EP0369122A1 Aluminium oxide, process for its preparation and use thereof |
05/23/1990 | CA2003693A1 Silica/alumina cogel catalysts |
05/22/1990 | CA2003449A1 Method of producing ethylenediamines |
05/17/1990 | DE3837358A1 Process for the production of finely divided or fibrous precursors of activated carbon from pitch-like bitumenous substances and substances containing nitrogen or nitrogen and heavy metal, from which catalytically active activated carbons can be produced |
05/16/1990 | EP0368656A2 Method for preparing epichlorohydrins |
05/09/1990 | EP0367574A2 Ozone decomposition catalyst and method |
05/09/1990 | EP0367408A2 Method for production of phenol/acetone from cumene hydroperoxide |
05/09/1990 | CA2002341A1 Method for preparing epichlorohydrins |
05/08/1990 | US4924000 Preparation of acylated imidazoles |
05/08/1990 | US4923838 Process for preparing an iron-coal slurry catalyst for hydrocracking heavy oils |
05/08/1990 | US4923837 Hydrogenation catalyst |
05/08/1990 | CA1268759A1 Copper-mediated oximation reaction |
05/02/1990 | EP0366211A2 Process for producing alpha olefins |
05/02/1990 | EP0365971A2 Method for the production of (substituted) benzyl-benzenes |
05/02/1990 | EP0365801A1 Process for producing alumina with high specific surface area |
05/01/1990 | US4921826 Process for producing an active carbon catalyst |
05/01/1990 | US4921823 Porous anodic aluminium oxide membrane catalyst support |
05/01/1990 | CA1268454A1 Preparation of high surface area agglomerates for catalyst support and preparation of monolithic support structures containing them |
04/25/1990 | EP0365206A2 Alkylation of halodisilanes |
04/25/1990 | CN1041541A Catalysts |
04/24/1990 | US4920089 Hydrogenation catalyst |
04/24/1990 | US4919908 Crystalline aluminosilicate and a method for its preparation |
04/24/1990 | CA1268165A1 Catalyst for decreasing the content of nitrogen oxides in flue gases |
04/24/1990 | CA1268018A1 Catalyst for decreasing the content of nitrogen oxides in flue gases |
04/17/1990 | US4918221 Process for preparing 2,5-dichlorophenylthioglycollic acid |
04/17/1990 | US4918042 Exhaust gas purifying catalyst |
04/17/1990 | US4917857 Process for producing metallic or ceramic hollow-sphere bodies |
04/17/1990 | CA1267913A1 Process for the preparation of ethylene glycol |
04/17/1990 | CA1267882A1 Catalyst for decreasing the content of nitrogen oxides in flue gases |
04/17/1990 | CA1267880A1 Catalyst for decreasing the content of nitrogen oxides in flue gases |
04/17/1990 | CA1267879A1 Preparation of monolithic catalyst support structures having an integrated high surface area phase |
04/17/1990 | CA1267876A1 Class of pillared interlayered clay molecular sieve products with regularly interstratified mineral structure |
04/17/1990 | CA1267771A1 Elimination process of cos and cs.sub.2 compounds from an industrial gas |
04/11/1990 | EP0362651A2 Process for the production of 2,6-dimethylnaphthalene |
04/11/1990 | EP0271575B1 Layered metal chalcogenides containing interlayer chalcogenides and their synthesis |
04/10/1990 | US4916236 Contacting vapor phase mixture of n-(b-hydroxy) alkylaniline, water and acatalyst, cooling and condensing |
04/10/1990 | US4916107 Calcined mixture of titanium oxide, tungsten oxide and at least one oxide of vanadium, iron, niobium, molybdenum |
04/05/1990 | WO1990003458A1 Improvements in and relating to fibrous activated carbons |
04/05/1990 | WO1990003331A1 High surface area alpha-alumina and supercritical fluid synthesis thereof |
04/04/1990 | EP0360874A1 Process for preparing para-cumylphenol |
04/04/1990 | CN1040968A Process of photocatalysis treatment of waste water |
04/03/1990 | US4914251 Sodium oxide on potassium carbonate carrier |
04/03/1990 | US4914072 Phosphorus/titania/zirconia catalyst for preparation of linear polyethylenepolyamines |
04/03/1990 | US4914071 Method for preparing a catalyst |
03/29/1990 | DE3832635A1 Process for producing carbon-containing catalysts having adsorptive properties |
03/28/1990 | EP0360554A1 Catalysts |
03/28/1990 | EP0360548A1 A process for producing a denitration catalyst |
03/28/1990 | EP0360406A1 Treating a temperature-sensitive hydrocarbonaceous stream containing a non-distillable component |
03/27/1990 | US4912776 Process for removal of NOx from fluid streams |
03/27/1990 | US4912234 Forimg phthalic anhydride |
03/27/1990 | US4912081 Boron-promoted reducible metal oxides |
03/27/1990 | US4912077 Catalytically active materials and method for their preparation |
03/27/1990 | CA1267130A1 Hydrocarbon conversion catalyst containing a bifurcated alkali component |
03/27/1990 | CA1267128A1 Catalyst for reducing the nitrogen oxide content of flue gases |
03/21/1990 | EP0295269B1 Layered metal oxides containing interlayer oxides and their synthesis |
03/21/1990 | CN1040518A Catalyst for treating gaseous fluid material and process for treating them |
03/20/1990 | US4910177 Catalyst for the reduction of aldehydes and ketones |
03/20/1990 | US4910005 Process for the reduction of nitrogen oxides from exhaust gases |
03/20/1990 | CA1266844A1 Process for hydrotreating residual petroleum oil |
03/14/1990 | EP0358271A2 Novel crystalline (metallo)silicates and process for preparing such (metallo)silicates |
03/13/1990 | US4908122 Contacting hydrocarbon in the presence of an oxidizing agent with a catalytic composite to oxidize mercaptans to disulfides |
03/13/1990 | CA1266683A1 Alkylation of aromatic amines in the presence of acidic, crystalline molecular sieves |
03/07/1990 | EP0357506A1 Catalysts for treating gaseous affluents, and process for treating the same |
03/07/1990 | EP0356918A1 Amine oxide process |
03/06/1990 | US4906793 Silica-titania hydrocarbon conversion catalyst |
03/06/1990 | US4906791 Process for preparing p-cumylphenol |
03/06/1990 | US4906600 Paraffinic material treatment for catalysts and olefin dimerization processes therewith |
02/28/1990 | EP0355983A1 A process for the low residence time dehydration of p-acetoxyphenyl methylcarbinol |
02/28/1990 | EP0355231A1 Heat-resistant catalyst carrier moldings and catalysts for combustion |
02/27/1990 | US4904627 Alkaline earth metal spinel/kaolin clays and processes for making |
02/21/1990 | EP0354912A1 Process for manufacturing a carbon catalyst. |
02/21/1990 | CN1039779A Twice-aged porous inorganic oxides, catalysts, and polymerization processes |
02/20/1990 | US4902666 Process for the manufacture of spheroidal bodies by selective agglomeration |
02/20/1990 | US4902663 Active amorphous mixed oxides |
02/14/1990 | EP0354612A1 Process for the preparation of nickel/alumina catalysts |
02/14/1990 | CN1039542A Catalytically active materials |
02/14/1990 | CN1006783B Process for the production of tertiary olefins by decomposition of alkyl-tert alkyl-ethers |
02/14/1990 | CN1006767B Preparation of a new catalyst containing rare earth element for synthesis of ammonia |
02/13/1990 | US4900874 Method for producing fluorine-containing olefin |
02/13/1990 | US4900705 Novel ligand catalyst systems formed by reaction of carbonyl compounds with organosilicon compounds |
02/13/1990 | US4900703 Method for producing ceramics with thermal shock resistance |
02/07/1990 | EP0354134A1 Process for the monomethylation of phenolic compounds |
02/07/1990 | EP0353813A1 Alkylation of aromatic hydrocarbons in a fixed bed catalytic process |
02/07/1990 | CN1039418A Process for preparation of oxirane compound |
02/07/1990 | CN1039411A Process for low residence time dehydration of p-acetoxyphenyl methylcarbinol |
02/07/1990 | CN1006685B Method of making dehydrogenation catalyst of c3-c5 waxy hydrocarbon |
02/06/1990 | US4898987 Method for production of phenol/acetone from cumene hydroperoxide |
01/31/1990 | EP0353129A1 Alumina aglomerates preparation process |
01/31/1990 | EP0352878A1 Catalysts comprising metal compounds supported on a clay or hydrous silicate and their use |
01/31/1990 | EP0352856A1 Process of selective oligomerization of olefins and new catalyst for such a process |
01/31/1990 | EP0352715A1 Twice-aged porous inorganic oxides, catalysts, and polymerization processes |
01/31/1990 | EP0352674A2 Process for the preparation of ketones |
01/31/1990 | CN1006631B Method of nitric acid production through nitrogen fixation with air at low temp. and low pressure |
01/30/1990 | US4897480 Preparation of N,N'-dialkyl substituted cyclic urea derivatives |
01/25/1990 | WO1990000523A1 Aluminum hydroxide production |
01/24/1990 | CN1039003A Process for preparing titanium oxide and products |
01/23/1990 | CA1264723A1 Manufacturing catalyst supports based on improved durability alumina |
01/17/1990 | EP0351270A1 Process for the preparation of titanium oxide and articles based on titanium oxide |
01/17/1990 | EP0351057A1 Catalytically active materials and manufacture thereof |