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| Number | Title | Issue Date |
| 7427579 | Hydrogenation catalyst, preparation thereof, and method for the preparation of gamma-butyrolactone from maleic anhydride using the catalyst The present invention relates to a hydrogenation catalyst represented by the following formula 1, a method for the preparation thereof, and a method for preparing gamma-butyrolactone using this catalyst. The method for preparing gamma-butyrolactone from maleic anhyd... | 09/23/2008 |
| 7357912 | Method of catalytic decomposition of water A method of catalytically decomposing water, which comprises contacting water with a composite catalyst comprising a solid acid catalyst and a solid base catalyst at an elevated temperature, wherein the composite catalyst contains the solid acid catalyst in an amoun... | 04/15/2008 |
| 7354981 | Polyethylene catalyst and a process for preparing the same The present invention discloses a polyethylene catalyst and a process for preparing the same, said catalyst being composed of a main component of catalyst and a cocatalyst, wherein the main component of catalyst is prepared by reacting: (1) a magnesium-alcohol compl... | 04/08/2008 |
| 7335346 | Catalyst and method of steam reforming The present invention provides a method of steam reforming a hydrocarbon over a catalyst at short residence times or short contact times. The present invention also provides spinel-containing catalysts. Surprisingly superior results and properties obtained in method... | 02/26/2008 |
| 7307038 | NOreduction compositions for use in FCC processes Processes for preparing a composition comprising (i) an acidic metal oxide containing substantially no zeolite, (ii) an alkali metal, alkaline earth metal, and mixtures thereof, and (iii) an oxygen storage component are disclosed. Preferably, the process comprise fo... | 12/11/2007 |
| 7294604 | Hydrogenation and dehydrogenation processes and catalysts therefor A process for hydrogenating unsaturations in petrochemical feedstocks, the process comprising contacting the petrochemical feedstock, including at least one component having unsaturations, and hydrogen with a catalyst comprising at least one Group Ia, Ib, IIb, VIb, ... | 11/13/2007 |
| 7273829 | Catalyst for oxidation of saturated and unsaturated aldehydes to unsaturated carboxylic acid, method of making and method of using thereof The invention is a supported or bound heteropoly acid catalyst composition, a method of making the catalyst composition and a process for the oxidation of saturated and/or unsaturated aldehydes to unsaturated carboxylic acids using the catalyst composition. The cata... | 09/25/2007 |
| 7268097 | Desulfurizing agent for hydrocarbon derived from petroleum, method for producing hydrogen for use in fuel cell and method for producing nickel-based desulfurizing agent A desulfurizing agent comprising a silica-alumina carrier having an Si/Al mole ratio of 10 or less and nickel carried thereon; a desulfurizing agent for hydrocarbons derived from petroleum which comprises a carrier and a metal component carried thereon and has a spe... | 09/11/2007 |
| 7256153 | Carrier catalytic converter for the selective hydrogenation of alkines and dienes A catalyst for the selective hydrogenation of alkynes and dienes in C2-C5+-olefin mixtures is described. These catalysts contain (a) a metal of the tenth group of the Periodic Table, (b) a metal o... | 08/14/2007 |
| 7211539 | Silica gel compositions containing alkali metals and alkali metal alloys The invention relates to Group 1 metal/silica gel compositions comprising silica gel and an alkali metal or an alkali metal alloy. The compositions of the inventions are described as Stage 0, I, II, and III materials. These materials differ in their preparation and ... | 05/01/2007 |
| 7205256 | Oxide material, method for preparing oxide thin film and element using said material An oxide material characterized by that it has a perovskite structure comprising an oxide represented by ABO3, (Bi2O2)2+ (Am−1BmO3m+1)2− wherein A represents one kind or two ... | 04/17/2007 |
| 7150866 | Catalyst for autothermal reforming of hydrocarbons with increased water gas shift activity The invention relates to a catalyst and a process for the autothermal, catalytic steam reforming of hydrocarbons using the catalyst. The catalyst has a multilayer structure and comprises a lower catalyst layer located directly on a support body and an upper catalyst... | 12/19/2006 |
| 7067452 | Ceramic catalyst body (i) In a ceramic catalyst body which comprises a ceramic carrier which has a multitude of pores capable of supporting a catalyst directly on the surface of a substrate ceramic and a catalyst supported on the ceramic carrier, a layer containing an anti-evaporation me... | 06/27/2006 |
| 7056856 | Tin oxide exhaust catalyst supports and catalysts stable at high temperatures A tin-oxide based three-way catalytic material employing precious metals that is stable at exhaust gas temperatures of internal combustion engines when the tin oxide lattice includes any of several rare earth oxide stabilizers in the lanthanide series. The rare-eart... | 06/06/2006 |
| 7045483 | Catalyst element A catalyst body is obtained by loading, on a carrier, a catalyst layer containing an alkali metal and/or an alkaline earth metal, wherein at least one kind of alkali metal and/or alkaline earth metal is allowed to be present in the carrier and/or between the carrier... | 05/16/2006 |
| 7030055 | NOreduction compositions for use in FCC processes Compositions for reduction of gas phase reduced nitrogen species and NOx generated during a partial or incomplete combustion catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise (i) an acidic... | 04/18/2006 |
| 6989343 | Granular photocatalytic material, functional restoration method therefor, and apparatus for decomposing and removing toxic organic matter using the same A granular photocatalytic material in the form of pellets or tablet is produced by compressing a photocatalyst mixture containing photocatalytic particles and a filler in air, a vacuum, or an inert gas at a temperature of 0 to 200° C., a pressure of 500 to 6000 kg/... | 01/24/2006 |
| 6964936 | Method of making maximally dispersed heterogeneous catalysts A method of making a catalyst with monolayer or sub-monolayer metal by controlling the wetting characteristics on the support surface and increasing the adhesion between the catalytic metal and an oxide layer. There are two methods that have been demonstrated by exp... | 11/15/2005 |
| 6903046 | Metal modified Pd/Ni catalysts This invention relates to improved catalytic compositions suited for use in hydrogenation processes and to an improved process for hydrogenating organic compounds as in amination of alcohols or hydrogenation of nitro groups to the amine using the catalyst. The catal... | 06/07/2005 |
| 6881390 | NOx reduction compositions for use in FCC processes Compositions for reduction of gas phase reduced nitrogen species and NOx generated during a partial or incomplete combustion catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise (i) an acidic... | 04/19/2005 |
| 6849571 | Catalyst for selectively oxidizing carbon monoxide A catalyst (5) for selectively oxidizing carbon monoxide, wherein a noble metal (3) and an active oxygen supply material (4) capable of oxidizing carbon monoxide are supported on a substrate (6). Favorable selective oxidation of carbon mo... | 02/01/2005 |
| 6818582 | Adsorbent catalyst An adsorbent catalyst for reducing the amounts of nitrogen oxides, hydrocarbons and carbon monoxide contained in exhaust or combustion gases, which catalyst adsorbs nitrogen oxides, when the exhaust or combustion gases contain in excess of oxygen, and liberates and ... | 11/16/2004 |
| 6815393 | Catalyst for purification of exhaust gas A catalyst for purification of exhaust gas includes a carrier, and a catalyst layer containing an alkali metal and/or an alkaline earth metal as an NOx-adsorbing component, the catalyst layer being loaded on the carrier, in which catalyst the carrier-comp... | 11/09/2004 |
| 6787497 | Chemical product and process The invention concerns a catalyst carrier comprising a fibre paper impregnated with a slurry comprising silica sol, micro fibres and a filler, wherein said micro fibres have an equivalent average particle size, measured with sedigraph method, from about 200 nm to ab... | 09/07/2004 |
| 6777368 | Molten-salt type catalyst A molten-salt type catalyst is adapted for purifying particulate materials, which are contained in an exhaust gas emitted from an internal combustion engine and contain carbon. It includes a solid support and a catalytic ingredient. The catalytic ingredient is loade... | 08/17/2004 |
| 6753292 | Silica-based photocatalyst fiber having visible-light activity and process for the production thereof A silica-based photocatalyst fiber having visible-light activity, which fiber comprises a composite oxide phase comprising an oxide phase (first phase) mainly made of a silica component and a titania phase (second phase), wherein the second phase contains a metal el... | 06/22/2004 |
| 6696388 | Gel catalysts and process for preparing thereof A gel composition substantially contained within the pores of a solid material for use as a catalyst or as a catalyst support in dehydrogenation and dehydrocyclization processes.... | 02/24/2004 |
| 6673951 | Process for catalytically hydrogenating phytosterols The present invention provides a process for catalytically hydrogenating unsaturated phytosterol compounds. The catalyst used for such hydrogenation is an alumina-supported transition metal selected from the group consisting of nickel, palladium, platinum... | 01/06/2004 |
| 6660683 | NOx reduction compositions for use in FCC processes Compositions for reduction of gas phase reduced nitrogen species and NOx generated during a partial or incomplete combustion catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise (i... | 12/09/2003 |
| 6645907 | Photooxidation catalyst and manufacturing method therefor A photocatalyst and a manufacturing method therefore, in which the adhesion to a support is increased and a baking step is simplified. The photocatalyst comprises the support and a metallic oxide layer provided on the support by applying and baking a coll... | 11/11/2003 |
| 6562499 | Catalyst and method for selectively oxidizing carbon monoxide in hydrogen-containing gas and solid polymer electrolyte-type fuel cell system using such catalyst A catalyst for selectively oxidizing carbon monoxide in a hydrogen-containing gas comprises an alumina hydrate carrier and at least platinum supported thereon. With an aluminum hydrate as a carrier, the catalyst is resistant to deactivation which would be... | 05/13/2003 |
| 6541416 | Silica-group composite oxide fiber and process for the production thereof A silica-group composite oxide fiber formed of a composite oxide phase of an oxide phase (first phase) mainly made of a silica component and a metal oxide phase (second phase) excluding silica, in which the existent ratio of at least one metal element of ... | 04/01/2003 |
| 6521808 | Preparation and use of a catalyst for the oxidative dehydrogenation of lower alkanes The present invention includes a sol-gel supported catalyst for the dehydrogenation of lower alkanes, the catalyst comprising at least one active metal and at least one promoter metal attached to a sol-gel mixed oxide support. The sol-gel mixed oxide supp... | 02/18/2003 |
| 6423664 | Fluorinated catalyst comprising a group VIII metal and an additional metal, and its use for hydrogenating aromactic compounds in the presence of sulphurated compounds The invention concerns a catalyst comprising at least one group VIII metal, at least one additional metal, at least two halogens, including chlorine and fluorine, and at least one amorphous oxide matrix. The catalytic composition is such that the fluorine... | 07/23/2002 |
| 6420306 | Burned gas purifying catalyst An exhaust gas emission control catalyst includes an under catalyst layer containing at least one of barium and lanthanum and an over catalyst layer containing an agent for absorbing water in a gas, at least one of the under catalyst layer and over cataly... | 07/16/2002 |
| 6420307 | Fluidized-bed catalyst for propylene ammoxidation to acrylonitrile The present invention relates to a new fluidized-bed catalyst used in a process of propylene ammoxidation to acrylonitrile. The catalyst comprises a silica as carrier and a composition represented by the following general formulas: Aa Bb | 07/16/2002 |
| 6383980 | Photocatalytic titanium dioxide powder, process for producing same, and applications thereof A photocatalytic titanium dioxide powder comprised of finely divided titanium dioxide particles each having supported on the surface thereof a first supported layer of a calcium compound and further having on the surface of the first supported layer-forme... | 05/07/2002 |
| 6350422 | Sorbent compositions A process for removing hydrogen sulfide from a fluid stream by contacting a hydrogen sulfide-containing stream with a sorbent composition wherein said sorbent composition is produced by mixing at least one zinc component which is zinc oxide or a compound ... | 02/26/2002 |
| 6348565 | Method for preparing metal cyanide catalysts using silane-functional ligands Complexes of a metal cyanide polymerization catalyst and certain silane-functional complexing agents provide a method whereby supported, active metal cyanide catalysts can be prepared. The catalysts are useful alkylene oxide polymerization catalysts that ... | 02/19/2002 |
| 6316383 | Moldings based on silica Moldings based on silica having a hollow cylindrical configuration with internal reinforcing stays or spokes leading from an inner wall of a hollow cylinder to the center of the molding or in the form of miniliths having passageway channels therethrough, ... | 11/13/2001 |
