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| Number | Title | Issue Date |
| 7438836 | Dispersion and coating preparation containing nanoscale zinc oxide The present invention provides a dispersion, which contains nano-sized zinc oxide particles, a coating preparation containing the dispersion, a process for the production of the dispersion, and a coating preparation containing the dispersion, and a use of the coatin... | 10/21/2008 |
| 7429682 | Catalyst for partial oxidation of methylbenzenes, method for preparing the same, and method for producing aromatic aldehydes using the same A catalyst for gas phase oxidation of methylbenzenes in the presence of molecular oxygen to produce corresponding aromatic aldehydes, a method for preparing the catalyst, and a method for producing aromatic aldehydes from methylbenzenes by using the catalyst. The ca... | 09/30/2008 |
| 7427581 | Desulfurization process and novel bimetallic sorbent systems for same Novel sorbent systems for the desulfurization of cracked-gasoline and diesel fuels are provided which are comprised of a bimetallic promotor on a particulate support such as that formed of zinc oxide and an inorganic or organic carrier. Such bimetallic promotors are... | 09/23/2008 |
| 7390769 | High surface area, small crystallite size catalyst for Fischer-Tropsch synthesis The Fischer-Tropsch catalyst of the present invention is a transition metal-based catalyst having a high surface area, a smooth, homogeneous surface morphology, an essentially uniform distribution of cobalt throughout the support, and a small metal crystallite size.... | 06/24/2008 |
| 7371337 | Zinc oxide powder aggregates present in circular, ellipsoidal, linear and branched form Pyrogenically prepared zinc oxide powder having a BET surface area of from 10 to 200 m2/g, which is in the form of aggregates, the aggregates being composed of particles having different morphologies, and 0-10% of the aggregates being in a circular form, ... | 05/13/2008 |
| 7285514 | Method for preparing catalyst for partial oxidation of acrolein The present invention relates to a method for preparing a catalyst for partial oxidation of acrolein, particularly to a method for preparing a catalyst for partial oxidation of acrolein that has a superior acrolein conversion rate, acrylic acid activity, selectivity... | 10/23/2007 |
| 7270738 | Catalyst and process for hydrocracking hydrocarbon-containing feedstocks This invention relates to silico-aluminum substrates, catalysts, and the hydrocracking and hydrotreatment processes that use them. The catalyst comprises at least one hydro-dehydrogenating element that is selected from the group that is formed by elements of group V... | 09/18/2007 |
| 7271126 | Catalyst for the dehydrogenation of ethyl benzene to STYRENE prepared with a high purity iron precursor A method for producing a catalyst for use in the dehydrogenation of ethylbenzene to styrene is disclosed. The catalyst of the present invention comprises a high purity metal and at least one promoter in the form of solid oxides, oxide hydrates, hydroxides, hydroxyca... | 09/18/2007 |
| 7256155 | Flue gas denitration catalyst and preparation process thereof Provided are a flue gas denitration catalyst having high denitration activity and capable of suppressing a side reaction, that is, oxidation of SO2; and a preparation process of the catalyst. The flue gas denitration catalyst comprises TiO2, WO... | 08/14/2007 |
| 7229945 | Process of making mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins The present invention is for a process for making a catalyst for production of unsaturated aldehydes, such as methacrolein, by gas phase catalytic oxidation of olefins, such as isobutylene, said catalyst containing oxides of molybdenum, bismuth, iron, cesium, tungst... | 06/12/2007 |
| 7220701 | Catalyst and process for selective hydrogenation A selective hydrogenation catalyst composition comprises a rhodium component present in an amount such that the catalyst composition comprises less than 3.0% of rhodium by weight of the total catalyst composition; and an indium component present in an amount such th... | 05/22/2007 |
| 7179366 | Catalyst based on a group VI metal and a group VIII metal at least partially present in the form of heteropolyanions in the oxide precursor A catalyst contains at least one group VIII element and at least molybdenum and/or tungsten, said elements being present at least in part in the catalyst in the dry state in the form of at least one heteropolyanion with formula MxAB6O24 | 02/20/2007 |
| 7138358 | Catalyzed diesel particulate matter filter with improved thermal stability A catalyzed diesel particulate matter exhaust filter with improved diesel particulate matter oxidation activity and thermal stability including a porous filter substrate for filtering the diesel particulate matter washcoated with high surface area support alumina, t... | 11/21/2006 |
| 7122707 | Method for producing an annular shell catalyst and use thereof for producing acrolein Coated catalysts which are suitable for the gas-phase catalytic oxidation of propene to acrolein are prepared by a process in which rings are used as supports and water is used as a binder. ... | 10/17/2006 |
| 7074740 | Catalyst for conversion processes An improved catalyst for hydrodesulfurization of heavy feedstocks is disclosed. The catalyst is adopted for on-stream catalyst replacement in upflow processing units. It is characterized by a smaller peak pore diameter than general purpose hydrotreating catalysts. | 07/11/2006 |
| 7070746 | Process for nitrous oxide purification A method for purification of an oxygen contaminated nitrous oxide gas by feeding the nitrous oxide gas and a reducing agent such as hydrogen, carbon monoxide or ammonia into a de-oxidation reactor, performing de-oxidation by reacting the reducing agent with oxygen u... | 07/04/2006 |
| 7060651 | Silica-rich carrier, catalyzer for heterogeneous reactions and method for the production thereof A silica-rich support and a catalyst containing the silica-rich support and a catalytic component. The support has a specific structure characterized by a set of claimed physicochemical properties: in the 29Si MAS NMR spectrum the state of silicon is char... | 06/13/2006 |
| 7037877 | Process for the preparation of copper chromite catalyst The present invention provides a process for the preparation of an improved copper chromite catalyst for the hydrogenation of diethyl maleate to tetrahydrofuran with very high selectivity. This invention particularly relates to a process for the preparation of an im... | 05/02/2006 |
| 7022643 | Production process for catalyst There is disclosed a production process for a catalyst which process makes it possible to efficiently carry out the supporting of a catalytic component onto a carrier and to obtain the catalyst excellent in quality and performance. This production process is a produ... | 04/04/2006 |
| 6998366 | Thin layer catalysts based on Raney alloys, and method for the production thereof Raney alloy catalysts applied to a support are described, said catalysts having an extremely thin layer of Raney alloy with a thickness of 0.01 to 100 μm. These catalysts are prepared by vapor deposition of the appropriate metals under reduced pressure. They are ge... | 02/14/2006 |
| 6989347 | Catalysts for the oxidation of unsaturated aldehydes to produce carboxylic acids and methods of making the same A catalyst composition for the production of carboxylic acids by the oxidation of the corresponding unsaturated aldehydes, and methods for making and using the catalyst compositions. The catalysts include compositions of the formula: MoaVb | 01/24/2006 |
| 6984310 | Alumina having bimodal pore structure, catalysts made therefrom and processes using same Alumina having a pore structure characterized by the absence of macropores, no more than 5% of the total pore volume in pores greater than 350 Å, a high pore volume (greater than 0.8 cc/g measured by mercury intrusion) and a bi-modal pore volume distribution chara... | 01/10/2006 |
| 6919294 | Method for preparing hydrogenation purification catalyst A method for producing a hydrorefining catalyst is used to produce the hydrorefining catalyst which contains an inorganic oxide carrier and a hydrogenation-active metal and which has such a bimodal pore characteristic that pores having pore diameters of not more tha... | 07/19/2005 |
| 6919472 | Catalyst compositions for the selective conversion of alkanes to unsaturated carboxylic acids, methods of making and methods of using thereof A catalyst composition for the selective conversion of an alkane to an unsaturated carboxylic acid having the general formula: MoVaNbbAgcMdOx wherein optional element M may be one or more sel... | 07/19/2005 |
| 6916763 | Process for preparing a catalyst for the oxidation and ammoxidation of olefins A process for preparing an antimonate-based mixed metal oxide catalyst in a catalytically active oxidized state, wherein the catalyst is represented by the empirical formula MeaSbbXcQdReOf, wherein Me... | 07/12/2005 |
| 6858132 | Hydrofining catalyst and hydrofining process A heavy oil hydrorefining catalyst of the present invention is such that the total volume of pores with a diameter of 60 nm or less is at least 0.5 mL/g, and the pore diameter distribution has a broad band over a pore diameter range of 8 to 30 nm. The hydrorefining ... | 02/22/2005 |
| 6825145 | Exhaust gas purifying catalyst The present invention provides an exhaust gas purifying catalyst that is capable of substantially reducing the degree of deterioration in an exhaust gas purifying capability, which results from dissipation of an absorbent agent. Accordingly, an exhaust gas purifying... | 11/30/2004 |
| 6802958 | Process for producing spherical oxide particles The invention pertains to a process for preparing spherical oxide particles comprising the steps of shaping a starting material comprising an oxide hydrate into particles of substantially constant length by leading the material to a set of two rolls rotating towards... | 10/12/2004 |
| 6797839 | Multi-metal oxide materials with a two-phase structure Multimetal oxide materials containing molybdenum, vanadium, antimony, one or more of the elements W, Nb, Ta, Cr and Ce and nickel and, if required, one or more of the elements Cu, Zn, Co, Fe, Cd, Mn, Mg, Ca, Sr and Ba and having a 2-component structure are used for ... | 09/28/2004 |
| 6740769 | Molybdenum-bismuth-iron-containing metal oxide catalysts for fluidized layer, method for preparation thereof, and use thereof A process for producing a molybdenum-bismuth-iron-containing metal oxide fluidized bed catalyst which has a controlled particle diameter and has satisfactory activity and physical properties. In a process for producing a fluidized bed catalyst containing molybdenum-... | 05/25/2004 |
| 6706660 | Metal/metal oxide doped oxide catalysts having high deNOx selectivity for lean NOx exhaust aftertreatment systems A lean NOx catalyst and method of preparing the same is disclosed. The lean NOx catalyst includes a ceramic substrate, an oxide support material, preferably γ-alumina, deposited on the substrate and a metal promoter or dopant introduced into the oxide support mater... | 03/16/2004 |
| 6683024 | Desulfurization and novel sorbents for same A sorbent composition is provided which can be used in the desulfurization of a hydrocarbon-containing fluid such as cracked gasoline or diesel fuel. The sorbent composition contains a support component and a promoter component with the promoter component... | 01/27/2004 |
| 6673741 | Guard catalyst and a process for its preparation A guard catalyst, comprising an alumina support and molybdenum and/or tungsten and nickel and/or cobalt supported on the alumina support, wherein the total ammonia integral adsorption heat of said alumina support does not exceed 25 J/g, the percentage tak... | 01/06/2004 |
| 6670515 | Material constituted by ultrafine metallic and oxide particles A material composed of ultrafine particles, comprising at least a metal element M having catalytic properties and at least a metal element M' having a standard oxidation potential less than that of M, part at least of M' atoms being in oxidized form, the ... | 12/30/2003 |
| 6627572 | Water gas shift catalyst A low temperature metal promoted copper/zinc/aluminum water gas shift catalyst is described. The catalyst is formed from a precursor, wherein the precursor includes aluminum in the form of hydrotalcite and aluminum separate from the hydrotalcite. A method... | 09/30/2003 |
| 6602818 | Method for preparing a catalyst for selective catalytic reduction of nitrogen oxides Disclosed are a catalyst for selective catalytic reduction of nitrogen oxides and a method for preparing the same. The catalyst is prepared using a spent catalyst discharged from a hydro-desulfurization process of an oil refinery in which the spent cataly... | 08/05/2003 |
| 6589908 | Method of making alumina having bimodal pore structure, and catalysts made therefrom A method for making alumina having a pore structure characterized by the absence of macropores, no more than 5% of the total pore volume in pores greater than 350 Å, a high pore volume (greater than 0.8 cc/g measured by mercury intrusion) and a bi-modal ... | 07/08/2003 |
| 6583330 | Catalysts containing heteropolyanions usable in processes for conversion of paraffins New catalysts that contain heteropolyanions of the 12-tungstophosphoric acid or the 12-tungstomolybdic acid, and, for some of these, at least one metal of group VIII, and that are deposited on substrates that develop a specific surface area and a high por... | 06/24/2003 |
| 6576585 | Process for producing a catalyst body A process for producing a catalyst body includes providing titanium dioxide, tungsten trioxide, vanadium pentoxide, aluminum oxide, and/or silicon oxide for the catalyst body. A kneadable and/or shapable compound is processed to form a shaped body by extr... | 06/10/2003 |
| 6555496 | Micro-crystalline boehmites containing additives A microcrystalline boehmite containing additive in a homogeneously dispersed state. Suitable additives are compounds containing elements selected from the group consisting of alkaline earth metals, alkaline metals, rare earth metals, transition metals, ac... | 04/29/2003 |
