| 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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| 05/24/1989 | EP0317394A2 Process for preparing acid anhydrides |
| 05/24/1989 | EP0317335A1 Finely dispersed metalcarrying compounds and method for preparing the same |
| 05/24/1989 | EP0317293A2 A process for removing nitrogen oxides and a catalyst used for the process |
| 05/24/1989 | EP0317006A2 Process for the manufacture of synthetic saponites |
| 05/23/1989 | US4833113 Denitration catalyst for reducing nitrogen oxides in exhaust gas |
| 05/23/1989 | US4832881 Low density microcellular carbon foams and method of preparation |
| 05/23/1989 | CA1254586A1 Method for producing compounds having a double bond at the terminal |
| 05/23/1989 | CA1254549A1 Organopolysulfide-impregnated catalyst and methods of preparation and use |
| 05/18/1989 | DE3820934A1 Verfahren zur herstellung von telomeren von chlortrifluoraethylen und 1,1-dibrom-1-chlortrifluoraethan A process for preparing telomers of chlorotrifluoroethylene and 1,1-dibromo-1-chlortrifluoraethan |
| 05/17/1989 | EP0315911A1 Silver-deposited catalyst for production of ethylene oxide |
| 05/16/1989 | US4831007 Preparation and use of catalysts comprising a mixture of tungsten oxide and silica supported on a boehmite-like surface |
| 05/16/1989 | US4831006 Method for intercalating organic-swelled layered metal chalcogenide with polymer chalcogenide by treatment with organic, hydrolyzable, polymeric chalcogenide precursor wherein organic hydrolysis by-products are removed |
| 05/16/1989 | US4831005 Water, hydrocarbon absorber |
| 05/16/1989 | US4831003 Combustion of unsaturated hydrocarbon to give carbon catalyst support; vapor deposition of metal oxide or sulfide |
| 05/16/1989 | US4830840 Clay-spinel |
| 05/16/1989 | CA1254235A1 Methyl halides and methyl alcohol from methane |
| 05/09/1989 | CA1253980A1 Oxidative treatment of wastewaters |
| 05/09/1989 | CA1253837A1 Layered oxides containing interlayer polymeric oxides and their synthesis |
| 05/03/1989 | EP0314583A1 Process for the hydroxylation of phenols and phenol-ethers |
| 05/03/1989 | EP0314392A1 A catalyst for removing nitrogen oxides |
| 05/02/1989 | US4827075 Isomerization with tungsten oxide catalyst |
| 05/02/1989 | CA1253512A1 Process for producing alcohols |
| 04/26/1989 | EP0313163A1 Silica-alumina extrudates |
| 04/25/1989 | CA1253175A1 Toluene disproportionation process |
| 04/25/1989 | CA1252982A1 Extrusion of silica-rich solids |
| 04/19/1989 | CN1032421A Silica extrudates |
| 04/18/1989 | US4822918 Reduction of organic sulfur compounds |
| 04/18/1989 | US4822903 Fluorinated silica catalyst and preparation of aromatic/aliphatic nitriles in the presence thereof |
| 04/12/1989 | EP0311515A1 Titanium oxide with stabilized properties |
| 04/12/1989 | EP0310608A1 Process for producing an active carbon catalyst. |
| 04/11/1989 | CA1252452A1 Cobalt catalysts and use thereof |
| 04/11/1989 | CA1252344A1 Particles, modified at their surface by hydrophilic and hydrophobic groups |
| 04/11/1989 | CA1252269A1 Method and apparatus for disposal of toxic wastes by combustion |
| 04/06/1989 | WO1989002882A1 Increasing the level of 2-methyl-2-butene in isoamylene |
| 04/04/1989 | US4818744 Process for the production of catalyzers and catalyzers for the removal of polluting components from the exhaust gases of internal combustion engines |
| 04/04/1989 | US4818515 Alpha-alumina in the form of spherical non-aggregated particles having a narrow size distribution and sizes below 2 microns and process for preparing same |
| 04/04/1989 | CA1252080A1 Catalysts and process for the selective hydrogenation of acetylenes |
| 03/29/1989 | EP0309048A1 Silica extrudates |
| 03/29/1989 | CN1032025A Comburant agent for co |
| 03/29/1989 | CN1031946A Dehydrogenation catalyst and process for preparing it |
| 03/28/1989 | US4816135 Cracking heavy hydrocarbon feedstocks with a catalyst comprising an anatase vanadium passivating agent |
| 03/28/1989 | CA1251894A1 Silicon and/or fluorine treated alumina |
| 03/28/1989 | CA1251774A1 Catalyst preparation |
| 03/23/1989 | WO1989002418A1 Process and device for purifying liquids |
| 03/23/1989 | DE3730283A1 Process for the preparation of a DENOX catalyst |
| 03/22/1989 | EP0307446A1 Liquid phase isomerization of iodoaromatic compounds. |
| 03/21/1989 | US4814522 Catalytic fluoroolefin transhalogenations |
| 03/21/1989 | US4814519 Production of ethers from olefins |
| 03/21/1989 | US4814511 Working up cyclohexyl hydroperoxide containing reaction mixtures |
| 03/21/1989 | US4814461 Isomerization of z-isomer |
| 03/21/1989 | US4814372 Acid and acyl halide derivatives |
| 03/21/1989 | US4814318 Hydrothermal agglomeration of doped titanium oxide |
| 03/21/1989 | US4814153 Method of cleaning exhaust gases |
| 03/21/1989 | CA1251465A1 Process for preparing trifluoroacetic and trifluoromethane sulfonic acids |
| 03/21/1989 | CA1251432A1 Layered oxides containing interlayer polymeric oxides and their synthesis |
| 03/16/1989 | DE3448270C2 Process for concentrating heavy crude oils |
| 03/15/1989 | EP0306940A1 Catalytical condensation process for organic carboxylic anhydrides |
| 03/15/1989 | CN1031661A Synthetic catalyst for propenyl nitrile |
| 03/14/1989 | CA1251197A1 Catalyst formed of natural clay for use in the hydrodemetallization and hydroconversion of heavy crudes and residues and method of preparation of same |
| 03/09/1989 | DE3826226A1 Process for the liquid-phase hydrogenation of high-boiling hydrocarbon materials |
| 03/08/1989 | EP0305476A1 Stable intercalated clays and preparation method |
| 03/07/1989 | US4810825 Method of reducing nitrile into a corresponding alcohol |
| 03/07/1989 | US4810797 Method of preparing 2,3,6-trichloropyridine and 2,3,5,6-tetrachloropyridine in the gas phase |
| 03/07/1989 | US4810689 Process for the preparation of a catalyst for the production of alkylene oxides |
| 03/07/1989 | US4810356 Process for treating gas oils |
| 03/02/1989 | DE3821579A1 Method for regenerating carbon-containing absorbent which is used in the treatment of flues |
| 03/01/1989 | EP0305019A1 Process for the destruction of chemical waste materials, in particular of organic halogen compounds, by hydrogenolysis |
| 03/01/1989 | EP0304721A1 Preparation of microcrystalline boehmite and ceramic bodies |
| 02/28/1989 | US4808743 Chemical intermediates for vinyl carbonates and carbamates-from phosgene and alpha-halogenocarbonyl compound in presence of zinc |
| 02/28/1989 | US4808559 Method of manufacturing a catalyst for hydration of olefins to alcohols |
| 02/22/1989 | CN1031194A Low temp. claus catalyst |
| 02/21/1989 | US4806698 Liquid phase isomerization of iodoaromatic compounds |
| 02/21/1989 | US4806690 Method of producing amines |
| 02/21/1989 | US4806513 Silicon and fluorine-treated alumina containing a chromium catalyst and method of producing same |
| 02/21/1989 | US4806290 Sintered sodium chloride compact immersed in phenolic polymer; pyrolyzed |
| 02/14/1989 | CA1250004A1 Process for producing isobutene |
| 02/09/1989 | WO1989000985A1 Degradation of organic chemicals with titanium ceramic membranes |
| 02/08/1989 | EP0302790A1 Hydrocarbon cracking catalysts and their uses |
| 02/07/1989 | US4803188 Leaching a glass containing catalytically-active insoluble metal oxides with mineral acid, forming pores |
| 02/07/1989 | US4802974 Desulfurization, demetallization |
| 02/01/1989 | EP0301486A2 Process for producing cyclohexanone oxime |
| 02/01/1989 | CN1030710A Process for production of articles using loose products |
| 01/31/1989 | CA1249570A1 Hydrotreating catalyst and process of manufacture |
| 01/25/1989 | EP0300543A1 Process for the production of hollow metallic or ceramic spheres |
| 01/25/1989 | CN1030580A Method for preparing epichlorohydrins |
| 01/25/1989 | CN1030571A Method for manufacture of phthalic anhydride |
| 01/25/1989 | CN1030533A Catalysts |
| 01/18/1989 | EP0299893A2 Process for hydroxylating phenols and phenol ethers |
| 01/18/1989 | EP0299637A1 Method for preparing a catalyst |
| 01/17/1989 | US4798816 Process for increasing the selectivity of an alkylation catalyst for monoalkylation |
| 01/11/1989 | EP0298652A2 Dehydrogenation process and intermediates |
| 01/10/1989 | US4797271 Screening, treatment with steam, agglomeration |
| 01/10/1989 | US4797139 Boehmite produced by a seeded hydyothermal process and ceramic bodies produced therefrom |
| 01/10/1989 | CA1248514A1 Carbon-containing molybdenum and tungsten sulfide catalysts |
| 01/04/1989 | EP0298062A1 Silica particles, a method for preparation of silica particles and use of the particles |
| 01/04/1989 | EP0297942A1 Process for manufacturing articles from finely divided materials |
| 01/04/1989 | CN1030026A Process for the production of spherical particles |
| 01/03/1989 | US4795726 Removal of carbonaceous material and contaminating metal under controlled conditions |
| 12/28/1988 | EP0296726A1 Catalysts |
| 12/27/1988 | US4794204 Process for the removal of dimethyl ether in methyl chloride |