| 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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| 09/18/1990 | US4957892 Alkaline earth and aluminum metal containing spinel as hydrorefining catalyst |
| 09/14/1990 | CA2010603A1 Halogen resistant hydrotreating process and catalyst |
| 09/12/1990 | EP0387109A1 Process for the preparation of activated alumina agglomerates, as-produced agglomerates and apparatus for their preparation |
| 09/12/1990 | EP0386845A1 Solid catalyst functionalized with sulfonic groups, process for preparing it and its use |
| 09/11/1990 | US4956329 High surface area cordierite catalyst support structures |
| 09/10/1990 | CA2011873A1 Process for improving the physical and catalytic properties of fluid cracking catalysts |
| 09/07/1990 | WO1990009844A1 Method for intercalating organic-swelled layered metal chalcogenide with polymer chalcogenide |
| 09/05/1990 | EP0385958A2 Catalyst for the reduction of nitrogen oxides, a method for its preparation and the use thereof |
| 09/05/1990 | EP0385882A1 Method for the hydroxylation of phenols and phenol ethers |
| 09/05/1990 | EP0385164A2 Catalyst for the selective reduction of nitric oxide with ammonia |
| 09/05/1990 | CN1045039A Method of producing amines |
| 09/04/1990 | US4954476 Method of making catalysts from titanium oxide |
| 08/31/1990 | CA2010970A1 Catalyst for the selective reduction of nitrogen oxides with ammonia |
| 08/31/1990 | CA2007932A1 Process for hydroxylating phenols and phenol ethers |
| 08/29/1990 | EP0384390A1 Catalytic process for the preparation of oximes |
| 08/29/1990 | EP0384047A1 Catalyst for amination of alcohols, aldehydes and ketones |
| 08/29/1990 | EP0383846A1 Catalytically active material |
| 08/29/1990 | EP0272306B1 Oligomerization of olefins |
| 08/29/1990 | EP0271563B1 Layered silicates and their synthesis |
| 08/29/1990 | EP0270659B1 Layered metal oxides containing interlayer oxides and their synthesis |
| 08/28/1990 | US4952741 Paraffinic material treatment for catalysts and olefin dimerization processes therewith |
| 08/28/1990 | US4952548 Catalyst for removing nitrogen oxides |
| 08/28/1990 | US4952544 Cracking catalysts for heavy oils; gasoline |
| 08/28/1990 | US4952389 Fluized bed catalyst carriers for high temperature steam processes; friable, porous spheres; agglomerating with clay, deagglomeration |
| 08/28/1990 | US4952382 Having a crystal structure of the pyroaurite-sjogrenite-hydrotacite, the hydrocalumite or the ettringite group and combined witha matrix; treating a flue gas from hydrocarbon conversion |
| 08/28/1990 | CA1273367A1 Hydroformylation of olefins |
| 08/27/1990 | CA2010585A1 Catalyst for the reduction of nitrogen oxides, a method for its preparation and the use thereof |
| 08/23/1990 | WO1990009368A1 Method and catalyst for producing amines |
| 08/22/1990 | CN1044809A Process for the catalytic reforming of alkyleneamines to linearly-extended polyalkylenepolyamines |
| 08/21/1990 | US4950763 Preparation of ketones |
| 08/21/1990 | CA1272999A1 Crystalline layered and large pore catalytic material |
| 08/16/1990 | EP0382049A1 Catalyst and process for the hydroamination of alcohols |
| 08/16/1990 | EP0381964A1 Process for the preparation of polyunsaturated cyclic compounds |
| 08/15/1990 | CN1044602A Resin-loading nickel boride catalyst and preparation thereof |
| 08/15/1990 | CN1009198B Process for preparing s-substituted phosphorochloridothiolate |
| 08/14/1990 | US4948780 Alcohols and ethers having cyclododecyl and cyclododecenyl groups, process for their preparation and scents containing same |
| 08/08/1990 | EP0381086A1 Process for the purification and stabilisation of perfluoropolyethers |
| 08/08/1990 | EP0380496A1 Aluminum hydroxide production. |
| 08/08/1990 | CN1044416A Silver catalyst for prodn. of ethylene oxide and method for manufacture thereof |
| 08/08/1990 | CN1044414A Modification of crosslinked clay and its catalyst |
| 08/08/1990 | CN1009059B Prodn. of silver-containing catalyst |
| 08/07/1990 | US4946814 Adding an acid stable anionic fluoroarbon surfactant to slurry then spray drying |
| 08/07/1990 | US4946661 Process for removing nitrogen oxides |
| 08/07/1990 | US4946581 Using hydrorefining catalysts |
| 08/01/1990 | EP0380295A2 Silver catalyst for production of ethylene oxide and method for manufacture thereof |
| 08/01/1990 | EP0380129A1 Process for preparing alpha-bromo-acyl-fluorides |
| 08/01/1990 | EP0379803A1 Preparation of propylene |
| 08/01/1990 | EP0379793A1 Process for the preparation of 1,1,1,2-tetrafluorethane |
| 07/31/1990 | CA2008857A1 Process for the purification and stabilization of perfluoropolyethers |
| 07/26/1990 | WO1990007980A1 Alkoxylation catalyst and a method of producing an alkylene oxide adduct |
| 07/24/1990 | US4943662 Process for preparation of dithiols |
| 07/24/1990 | US4943659 From formaldehyde and carboxylic acid, silica gel catalyst |
| 07/18/1990 | EP0378104A2 Polymer hydrogenation catalysts |
| 07/17/1990 | US4942259 Process for preparing n-vinyl amides |
| 07/11/1990 | EP0377290A1 Silica catalyst support for reduced sulphate emissions from diesel-fuelled engines |
| 07/11/1990 | CN1043694A Process for preparing propylene |
| 07/10/1990 | US4940687 Catalyst and process for hydrogenation of unsaturated hydrocarbons |
| 07/10/1990 | US4940531 Catalytic cracking process employing an acid-reacted metakaolin catalyst |
| 07/10/1990 | CA1271467A1 Process for loading a shaped carrier material with a catalytically active material or with a precursor of a catalytically active material, and a shaped catalyst produced by said process |
| 07/03/1990 | US4939301 Production of ethanolamine by amination of ethylene oxide over acid activated clays |
| 07/03/1990 | US4939260 Process for producing aromatic nitriles or heterocyclic nitriles |
| 07/03/1990 | US4939114 Silver-deposited catalyst for production of ethylene oxide |
| 06/28/1990 | WO1990006907A1 Process and catalyst for dehydration or dehydrocyclization of hydrocarbons |
| 06/28/1990 | WO1990006803A1 Process for the production of a catalyst for the removal of oxides of nitrogen from exhaust gases |
| 06/28/1990 | WO1990006802A1 Process for the production of a catalyst for the removal of oxides of nitrogen from exhaust gases |
| 06/27/1990 | EP0375355A2 Process for the catalytic reforming of alkylene amines to linearly-extended polyalkylene polyamines |
| 06/27/1990 | EP0375267A2 Production of ethanolamine by amination of ethylene oxide over acid activated clays |
| 06/27/1990 | CN1043316A Method of producing ethylenediamines |
| 06/27/1990 | CN1043296A Titanium oxide with stable properties |
| 06/26/1990 | US4937394 Using phosphoric acid catalytic agent |
| 06/26/1990 | US4937384 Process for the production of amines |
| 06/26/1990 | US4937222 Comprising a layer of either silica or titanate and a metal of group 8 or group 4b or their alloys |
| 06/21/1990 | DE3842527A1 Verfahren zur herstellung eines katalysators zur entfernung von stickstoffoxiden aus abgasen Exhaust gases method for producing a catalyst for removing nitrogen oxides from |
| 06/20/1990 | CA2005964A1 Catalytic reforming of alkyleneamines to linearly-extended polyalkylenepolyamines |
| 06/19/1990 | US4935574 Preparation of para-xylene by toluene methylation |
| 06/19/1990 | US4935562 Method for producing 4,4'-dibromobiphenyl |
| 06/19/1990 | US4935546 Process for the production of long chain alkylamines and dimethylalkylamines and catalysts therefor catalysts therefor |
| 06/14/1990 | WO1990006177A1 High surface area cordierite catalyst support structures |
| 06/13/1990 | DE3841800A1 Verfahren und katalysator zur dehydrierung oder dehydrozyklisierung von kohlenwasserstoffen Process and catalyst for dehydrogenation or dehydrocyclization of hydrocarbons |
| 06/13/1990 | CN1042981A Laminated substrate for catalytic combustor reactor bed |
| 06/12/1990 | US4933509 Using surface treated magnesium oxide catalyst |
| 06/12/1990 | CA2005244A1 Process and catalyzer for dehydration or dehydrocyclization of hydrocarbons |
| 06/07/1990 | CA2004629A1 Chemical process |
| 06/06/1990 | CN1042696A 烃类水蒸汽转化催化剂及应用 Hydrocarbon steam reforming catalyst and application |
| 06/06/1990 | CN1042668A Preparation of load type cross-linked clay catalyst and its product |
| 06/05/1990 | US4931418 Catalyst comprising potassium and cesium pyrosulfates with vanadium pentoxide and anatase |
| 06/05/1990 | CA1270001A1 Oligomerization of olefins |
| 06/05/1990 | CA1269972A1 Method of producing high-strength high surface area catalyst supports |
| 05/31/1990 | WO1990005702A1 Silica/alumina cogel catalysts |
| 05/31/1990 | DE3839822A1 Process for the production of a carbon-containing catalyst |
| 05/30/1990 | EP0370757A1 Titania-containing catalysts, their preparation and use in Fischer-Tropsch synthesis |
| 05/30/1990 | EP0370730A2 Method of producing ethylenediamines |
| 05/30/1990 | EP0370523A1 Carrier for gas-treating catalyst, method for production thereof, and gas-treating catalyst incorporating said carrier therein |
| 05/30/1990 | EP0370244A1 Laminated substrate for catalytic combustor reactor bed |
| 05/29/1990 | US4929784 Process for the preparation of optionally substituted benzyl-benzenes |
| 05/29/1990 | US4929762 Process for producing a phenol and/or a cyclohexanone |
| 05/29/1990 | US4929758 Preparation of tert-butylamine from isobutene |
| 05/29/1990 | US4929587 Method for intercalating organic-swelled layered metal chalcogenide with polymer chalcogenide by treatment with polymeric chalcogenide precursor in inert atmosphere |
| 05/29/1990 | US4929586 Titanium dioxide support with inorganic oxides, reduction of nitrogen oxides |
| 05/29/1990 | US4929582 Hydrous oxide ion-exchange compound catalysts |