Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01J - Chemical or physical processes, e.g. catalysis, colloid chemistry; Their relevant apparatus › B01J 29 - Catalysts comprising molecular sieves
Patents for B01J 29 - Catalysts comprising molecular sieves (30,714)
09/1991
09/29/1991CA2038734A1 Thermally stable noble metal-containing zeolite catalyst
09/25/1991EP0448366A1 Method for pretreating a reforming catalyst
09/25/1991EP0448000A1 Process for preparing lower olefins
09/25/1991EP0447537A1 Process for reducing the emission of organic compounds produced by incomplete combustion.
09/25/1991CN1054763A Process for preparing aromatic product with alkylating zeolite and dealkylating zeolite
09/25/1991CN1014068B Improved process for hydrodewaxing hydrocracked lube oil base stocks
09/25/1991CN1014056B Catalyzing compounding acetic isoborneol ester from natural silky tustre zeolite
09/24/1991US5051392 Oxidation catalysts for converting carbon dioxide, hydrocarbons and nitrogen oxides
09/24/1991US5051387 Zeolite L preparation
09/24/1991US5051385 Monodispersed mesoporous catalyst matrices and FCC catalysts thereof
09/24/1991US5051384 Method for pretreating a reforming catalyst
09/24/1991US5051246 Diaminopropane reacted with aluminophosphate
09/24/1991US5051164 Crystalline porous silicate composite and its use in catalytic cracking
09/24/1991CA1289574C Process for the preparation of alkylaniline using an aluminosilicate catalyst
09/24/1991CA1289543C Fcc catalysts of increased effective heat capacity
09/23/1991CA2038684A1 Method for pretreating a reformong catalyst
09/19/1991WO1991013682A1 Apparatus and method for regenerating deactivated zeolite reforming catalysts
09/18/1991EP0447069A2 Process for preparing dimethylnaphthalene
09/18/1991EP0446759A1 Process for the production of cyclopentenones
09/18/1991EP0446758A1 Process for the preparation of an alkylated aromatic compound using a zeolithe for alkylation and one for desalkylation
09/18/1991EP0446446A2 Process for preparing alpha, beta-unsaturated carboxylic acid ester
09/17/1991US5049366 Catalysts, catalyst supports, molecular sieves
09/16/1991CA2036827A1 Process for preparing dimethynaphthalene
09/12/1991DE4107043A1 Thermal or catalytic cracking of liq. hydrocarbon feed - performed on catalyst contg. zeolite with first stage producing olefin(s) from gasoline fraction
09/11/1991EP0446109A1 Process for the preparation of dimethyldisulfide
09/11/1991EP0445969A2 Catalytic hydrodealkylation of aromatics
09/11/1991EP0445816A1 Use of a zeolitic catalyst for decomposing nitrogen oxides in the absence of reducing agent
09/11/1991EP0445408A1 Process for the reduction of nitrogen oxides contained in waste gases
09/11/1991EP0422013A4 Method for intercalating organic-swelled layered metal chalcogenide with polymer chalogenide by treatment with organic, hydrolyzable, polymeric chalcogenide precursor wherein organic hydrolysis by-products are removed
09/11/1991EP0419581A4 Method for intercalating organic-swelled layered metal chalcogenide with a polymeric chalcogenide by plural treatments with polymeric chalcogenide precursor
09/11/1991EP0418370A4 Process for the production of alkyl aromatic hydrocarbons
09/11/1991CN1054414A Process for isomerizing normal paraffin hydrocarbon in presence of at least one catalyst based on particular omega zeolite
09/11/1991CN1013871B Method for suppressing poisoning effects of contaminant metals on cracking catalysts in fluid catalytic cracking
09/11/1991CN1013832B Purification catalyst comprised of palladium, platinum and zeolite for organic waste gas
09/10/1991US5047378 Exhaust gas-purifying catalyst and process for purifying exhaust gases
09/10/1991US5047141 Larger pore molecular sieves of controlled activity
09/10/1991US5047139 Comprising selectively acid extracted zeolite lz-10 to increase the silica to alumina ratio
09/10/1991CA2037814A1 Catalyst and method for catalytically decomposing nitrogen oxides
09/05/1991WO1991013131A1 Hydrodewaxing process
09/04/1991EP0444460A2 Process for the preparation of acrolin
09/04/1991EP0444056A1 Process for selective manufacture of 2,6-dialkylnaphthalenes.
09/04/1991CN1054246A Dual function catalyst and isomerization therewith
09/04/1991CN1054202A Propane catalyst prepared selectively from synthetic gas
09/03/1991WO1991013130A1 Dehydrocyclization or catalytic reforming using sulfur tolerant zeolite catalyst
09/03/1991US5045293 Novel crystalline aluminophosphates and related compounds
09/03/1991CA2073960A1 Dehydrocyclization or catalytic reforming using sulfur tolerant zeolite catalyst
09/02/1991WO1991013132A1 Synthesis of a crystalline silicoaluminophosphate
08/1991
08/29/1991DE4105188A1 Di:methylamine prodn. - by reaction of methanol with excess ammonia at 250-450 deg. C in presence of a siloxane-treated acid ZK-5 zeolite catalyst
08/28/1991EP0443539A2 Process for the preparation of gallosilicates and their use for the preparation of catalysts and absorbents
08/28/1991EP0443071A1 Process and catalyst for hydrochlorination of hydrocarbons
08/28/1991EP0443004A1 Synthesis of aluminosilicate zeolites with faujasite structure.
08/28/1991EP0442947A1 Selective monoepoxidation of styrene, styrene analogs, and styrene derivatives to the corresponding oxide with molecular oxygen.
08/28/1991EP0442879A1 Synthesis of a crystalline molecular sieve
08/27/1991US5043524 Selective double-bond isomerization process
08/27/1991US5043522 Zeolite catalyst, process control, recycling unreacted feed and formed olefins, other than desired propylene or ethylene
08/27/1991US5043520 Contacting with a molybdenum, tungsten and/or rhenium dispro-portionation catalyst on an inorganic oxide support and an acidic zeolite isomerization catalyst
08/27/1991US5043517 Upgrading light olefin fuel gas in a fluidized bed catalyst reactor and regeneration of the catalyst
08/27/1991US5043513 Zeolite catalyst
08/27/1991US5043512 Alkylaromatic isomerization process
08/27/1991US5043508 Process for preparing long chain alkyl aromatic compounds
08/27/1991US5043503 Production of lubricant stocks from polycyclic paraffins
08/27/1991US5043501 Process for preparing dimethylnaphthalene
08/27/1991US5043493 Isomerization using zeolite catalyst
08/27/1991US5043306 Catalysts for upgrading light paraffins
08/27/1991US5043055 Process and apparatus for hot catalyst stripping above a bubbling bed catalyst regenerator
08/27/1991CA1288086C Dealumination of zeolites
08/22/1991WO1991012299A1 A catalytic hydrocracking process
08/22/1991WO1991012204A1 Synthesis of kenyaite-type layered silicate material and pillaring of said material
08/22/1991DE4005163A1 Acrolein in-situ prodn. - by gas-phase isomerisation of propargyl alcohol at 300-550 deg. C. on heterogeneous catalysts contg. alkaline-reacting metal ions
08/21/1991EP0442159A1 Concurrent isomerization and disproportionation of olefins
08/21/1991EP0294448B1 A process for regenerating a monofunctional large-pore zeolite catalyst having high selectivity for paraffin dehydrocyclization
08/21/1991CN1013552B Process for conducting exothermic reaction
08/20/1991US5041686 Process for the preparation of carbonyl compounds
08/20/1991US5041652 Method for the preparation of a catalyst for the ammoximation of carboxylic compound
08/20/1991US5041548 Method for the preparation of triethylene diamines
08/20/1991US5041402 Containing oxides of silicon and/or germanium with aluminum, iron, gallium, boron titanium, vanadium, zirconium, molybdenum, arsenic, chromium and/or manganese
08/20/1991US5041401 Thermally stable noble metal-containing zeolite catalyst
08/20/1991US5041272 Hydrogenated zeolite catalyst
08/20/1991US5041270 Method of purifying exhaust gases
08/20/1991US5041205 Hydrocarbon/oxygenate conversion using crystalline (metallo) silicates and germinates SUZ-2
08/20/1991CA1287812C Method of suppressing sodium poisoning of cracking catalysts during fluid catalytic cracking
08/14/1991EP0441195A1 Process for the preparation of base oils and middle distillates stabilized against oxydation and low temperatures
08/14/1991EP0440637A1 Improved process for the transalkylation of polyalkylbenzenes
08/14/1991CN1053808A Preparation method for rare earth y molecular sieve
08/13/1991US5039640 Mixture of molecular sieve and MCM-22 zeolite, gasoline
08/13/1991CA1287613C Boronaaronate molecular sieve
08/13/1991CA1287612C Layered metal chalcogenides containing interlayer chalcogenides and their synthesis
08/13/1991CA1287611C Layered metal oxides containing interlayer oxides and their synthesis
08/08/1991WO1991011500A1 A catalytic cracking process
08/08/1991WO1991011415A1 Dual function catalyst and isomerization therewith
08/08/1991WO1991011414A1 A process for the catalytic disproportionation of toluene
08/08/1991WO1991011413A1 Alkylation of aromatics
08/08/1991WO1991011411A1 Alkylation of aromatics
08/08/1991WO1991011390A2 Synthetic porous crystalline material its synthesis and use
08/08/1991DE4003175A1 Oxidn.- and cold-stable middle distillates prodn. - from mineral oil fractions by hydrocracking using hydrocracking catalyst and hydrotreating using borosilicate pentasil zeolite
08/07/1991EP0440540A1 Process for the isomerization of normal paraffins in presence of at least a catalyst supported on a given zeolithe omega
08/07/1991EP0439865A1 Process for preparing normally liquid hydrocarbons
08/07/1991EP0439632A1 Process for the alkylation of an aromatic hydrocarbon
08/07/1991EP0439461A1 Matrix membrane
08/07/1991CN1013431B Synthesis of zsm-35 zeolite in non-aqueous system
1 ... 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 ... 308