Patents
Patents for B01J 21 - Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium (28,523)
04/1998
04/16/1998DE19641141A1 Verfahren zur Herstellung von dispergierbaren Alumosilikaten Process for the preparation of dispersible aluminosilicates
04/15/1998EP0729444B1 Process using hf-resistant ceramics
04/15/1998CN1178783A Method for preparing gamma-aldehyde tiglate
04/15/1998CN1178720A Composition containing chromium catalyst and its preparing method
04/15/1998CN1038033C Process for producing methanediphosphonate compound
04/14/1998US5739391 Catalytic gas-phase oxidation of acrolein to acrylic acid
04/14/1998US5739072 Process for improving the physical and catalytic properties of a fluid cracking catalyst
04/14/1998US5738801 Hydrophobic silica aerogels
04/14/1998CA2065026C Composite clay materials for removal of sox from gas streams
04/08/1998EP0717659B1 Epoxidation catalyst and process
04/08/1998EP0633812B1 Catalytic carbon, process for manufacture thereof and use thereof to decompose peroxides
04/08/1998CN1178483A Catalyst for organic compounds in a gas mixture
04/07/1998US5736482 Catalytic exhaust systems
04/07/1998US5736118 Spraying inorganic oxide sol upwardly into reaction zone containing reactant gas to form gel, catching presolidified droplets in trap
04/07/1998US5736114 Spinel-based catalysts for reducing exhaust emissions of NOx
04/07/1998US5736076 Compression molding graphite powder mixture, heating in oxygen-free
04/02/1998DE19742705A1 Exhaust gas purification catalyst
04/01/1998EP0833401A2 Apparatus for reducing concentration of carbon monoxide and method of the same
04/01/1998EP0832873A1 Preparation of cyclopropane esters
04/01/1998EP0832866A2 Process for the preparation of methylene-bridged biscyclopentadienyl compounds
04/01/1998EP0832847A1 Crystalline titania and process for producing the same
04/01/1998EP0832169A1 Method for converting hydrocarbons into aromatic compounds using a catalyst containing doping metals
04/01/1998EP0832167A1 Reforming method using a catalyst containing alkali metals or alkaline-earth metals
04/01/1998EP0831967A1 Shaped hydrogenation catalyst and processes for their preparation and use
04/01/1998EP0831965A1 Treatment of chromium oxide and catalytic manufacture of vinyl fluoride
04/01/1998EP0711203B1 Process and installation for recovering catalyst components
04/01/1998CN1177594A Process for preparation of acid amides from oximes
03/1998
03/31/1998US5733842 Controlled ceramic particle size
03/31/1998US5733840 Catalyst carrier
03/31/1998US5733515 Char filtration medium
03/31/1998US5733439 Alkylation catalyst; hydrocracking; oligomerization
03/26/1998WO1998012479A1 Method for the catalytic combustion of a fossil fuel in an incinerator and arrangement for carrying out said method
03/26/1998WO1998012142A1 Aluminium oxide masses with very narrow pore radius distribution
03/26/1998DE19638442A1 Aluminiumoxidische Massen mit sehr enger Porenradienverteilung Aluminiumoxidische masses with a very narrow pore size distribution
03/26/1998DE19617530A1 Silica-free, alpha -alumina containing catalyst support
03/25/1998EP0831059A1 Mesoporous silica, process for the preparation thereof and use thereof
03/25/1998CN1176955A Method for preparing methylene bridged bicyclic pentadiene compounds
03/25/1998CN1176934A Method of producing chemical compound
03/25/1998CN1176847A Catalyst and method for catalytic off-gas cleaning in DMT process
03/24/1998US5731475 Chemical intermediate for insecticides
03/24/1998US5731256 Alkylation catalyst for C4 -C5 isoparaffins using at least one C2 -C6 olefin
03/19/1998WO1998011037A1 Fischer-tropsch catalyst and process for preparing hydrocarbons
03/19/1998WO1998010863A1 Catalyst for selective hydrogenation of highly unsaturated hydrocarbon compound in olefin compound
03/19/1998DE19637727A1 Verfahren zur katalytischen Verbrennung eines fossilen Brennstoffs in einer Verbrennungsanlage und Anordnung zur Durchführung dieses Verfahrens A process for catalytic combustion of a fossil fuel in a combustion plant and arrangement for carrying out this method
03/18/1998EP0829295A2 Catalyst and process for catalytic purification of exhaust gases from a DMT process
03/18/1998EP0828557A1 Hydrodehalogenation catalysts and their preparation and use
03/18/1998CN1176223A Process for producing chlorine
03/17/1998CA2215539A1 Catalyst and method for catalytic off-gas cleaning in the dmt process
03/12/1998WO1998009931A1 Hydroperoxide decomposition processes
03/12/1998WO1998009725A1 Catalyst and process for its manufacture
03/12/1998DE19636269A1 Katalysator und Verfahren zu seiner Herstellung Catalyst and process for its preparation
03/12/1998CA2262069A1 Hydroperoxide decomposition process
03/11/1998EP0827955A1 Process for the preparation of substituted imidazoles
03/11/1998EP0827778A2 Catalyst and process for selectively reducing NOx in oxygen-containing combustion exhaust gases
03/11/1998CN1175941A Organic compounds and processes for their manufacture
03/10/1998US5726118 Adsorption of methane on porous carbon
03/10/1998US5726116 Fibril aggregates and method for making same
03/10/1998US5726113 Porous clay heterostructures prepared by gallery templated synthesis
03/10/1998US5725781 Method and catalyst for forced catalytic deoxygenation of sea water
03/04/1998EP0826715A1 Method for producing an alkylene oxide adduct of a compound having one more active hydrogen
03/04/1998EP0826410A2 Catalyst for purifying exhaust gas
03/04/1998EP0826409A1 DeNOx catalyst for dust-laden waste gases
03/04/1998EP0826408A1 Process for reductive elimination of nitrogen oxides from dust-laden exhaust gases of a cement factory
03/04/1998CN1174756A Light oil type hydrogen cracking catalyst and preparation method thereof
03/03/1998US5723684 Compositions for bis-(fluoromethyl)ether
03/03/1998US5723629 Jarosite-type catalyst
03/03/1998US5723603 Process for the preparation of lactams
03/03/1998US5723404 Process for the production of mixed oxide powders for catalysts for the removal of nitrogen oxides
03/03/1998US5723402 Silicas with specific contents of cations as supports for olefin polymerization catalysts
02/1998
02/26/1998WO1998007654A1 Bleaching compositions
02/26/1998WO1998007512A1 Wet oxidation processing of a solution or suspension of organic compounds
02/26/1998CA2264152A1 Bleaching compositions
02/25/1998EP0825250A1 Bleaching compositions
02/25/1998EP0825168A2 Preparation of gamma-halotiglinaldehydes
02/25/1998EP0824369A1 A method for manufacturing a support material for catalysis
02/24/1998US5721305 Polyglycerol production
02/24/1998US5721186 Cleaning coal, supplying first controlled atmosphere, mixing an alkali solution, heating, drying, reheating the mixture in second controlled atmosphere to form carbonized material, washing, recovering hydrocracking and dehalogenation catalyst
02/24/1998US5721037 Honeycomb structural bodies and method of producing the same
02/24/1998CA2101955C Engine exhaust alumina catalyst carrier
02/18/1998EP0824040A1 Molded product having photocatalytic function
02/18/1998EP0823916A1 A process for hydrogenating aromatic polymers
02/18/1998CN1173495A Process for preparation of amides from oximes
02/18/1998CN1173395A Process for preparation of micro-meso porous material with high surface area and controlled distribution of porosity
02/18/1998CN1037432C Catalyst for alkoxylation reaction
02/17/1998US5719314 Process for the preparation of isobornyl (meth)acrylate
02/17/1998US5719101 Porous granular material obtained from wool scouring liquor, method for the manufacture thereof and applications
02/17/1998US5719097 Catalyst comprising a modified solid oxide
02/17/1998US5718879 Catalyst or catalyst supports
02/12/1998WO1998005589A1 Method for coating amorphous titanium peroxide
02/12/1998WO1998005412A1 Pollutant removal from air in closed spaces
02/12/1998DE19734412A1 Chlorine production from hydrogen chloride
02/11/1998EP0823422A1 Process for the preparation of amides from oximes
02/11/1998CN1173166A A process for selecting raw material and making a bleaching clay
02/11/1998CN1173144A Gel composition containing carbonaceous compound
02/10/1998US5716899 Pore-impregnated body and method of producing same
02/04/1998EP0821707A1 Process for producing polytetramethylene ether glycol diester on aluminium magnesium silicate catalysis
02/04/1998EP0821620A1 Formed compositions
02/04/1998CN1171982A Method for fabricating porous composite oxide
02/04/1998CN1171979A Process for producing hydrotalcites and their metal oxides
02/03/1998US5714610 Process for the preparation of 3-methylpiperidine and 3-methylpyridine by catalytic cyclization of 2-methyl-1, 5-diaminopentane