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| Number | Title | Issue Date |
| 8178469 | Highly efficient catalyst using precious metal A catalyst for purifying exhaust gas in vehicles may include a precious metal and porous structures that serve as a supporting material for the precious metal. The porous structures are comprised of a plurality of channels which are connected with each other by a pl... | 05/15/2012 |
| 8153549 | Catalyst for treating exhaust gas and device for treating exhaust gas using the same A catalyst for treating an exhaust gas has at least a carrier and plural layers formed on the carrier, wherein at least one layer of the above plural layers has an interstice in the layer, and at least one layer of the above plural layers contains a catalyst compone... | 04/10/2012 |
| 8133837 | Exhaust gas-purifying catalyst Decreasing HC emission is made possible. An exhaust gas-purifying catalyst includes a substrate, a hydrocarbon-adsorbing layer covering the substrate, and a catalytic layer covering the hydrocarbon-adsorbing layer. The catalytic layer includes a layered structure of... | 03/13/2012 |
| 8097555 | Process for the production of hybrid catalysts for fischer-tropsch synthesis and hybrid catalyst produced according to said process Process for the production of hybrid catalysts formed by mixing two catalysts; one active in Fischer-Tropsch synthesis, the other being bifunctional. Such hybrid catalyst thus formed is active both in hydrocracking and in hydroisomerization reactions. The present in... | 01/17/2012 |
| 8080494 | Catalyst, exhaust gas purifying catalyst, and method of producing the catalyst A catalyst 1 has a heat-resistant support 2 selected from among Al2O3, SiO2, ZrO2, and TiO2, and a first metal 4 supported on an outer surface of the support 2, and included by an inc... | 12/20/2011 |
| 8053143 | Supported ruthenium cathode catalyst for fuel cell A cathode catalyst for a fuel cell including a metal selected from the group consisting of In, Ga, and combinations thereof, and Ru—Ch supported on the metal, where Ch includes a material selected from the group consisting of S, Se, Te, and combinations thereof. I... | 11/08/2011 |
| 8043992 | Inorganic mixed oxide and catalyst for purification of exhaust gas using the same A particulate inorganic mixed oxide comprising: aluminum; zirconium; cerium; lanthanum and an additional element selected from the group consisting of neodymium and praseodymium, wherein the inorganic mixed oxide has at least 80% of primary particles with article di... | 10/25/2011 |
| 7943548 | Catalysts to reduce NOin an exhaust gas stream and methods of preparation Catalysts, systems and methods are described to reduce NOx emissions of an internal combustion engine. In one embodiment, an emissions treatment system for an exhaust stream is provided having a catalyst comprising silver and a platinum group metal on a p... | 05/17/2011 |
| 7923407 | Catalyst for exhaust gas purification, production method therefor, and method for purification of exhaust gas using the catalyst It is an object of the present invention to provide a catalyst for the exhaust gas purification having excellent ignition performance and NOx purification performance. The present invention provides a catalyst for the exhaust gas purification which comprises a catal... | 04/12/2011 |
| 7923408 | Diesel particulate filter and exhaust emission control system Diesel particulate filter that can lower the particulate matter (PM) combustion start temperature and use material containing silicon (Si) for a carrier. The carrier, which has a filter function, is allowed to support a perovskite-type complex oxide expressed by for... | 04/12/2011 |
| 7923409 | Catalyst for hydrogen generation through steam reforming of hydrocarbons A catalyst that can be used for the production of hydrogen from hydrocarbon fuels in steam reforming processes contains an active metal of, e.g., at least one of Ir, Pt and Pd, on a catalyst support of, e.g., at least one of monoclinic zirconia and an alkaline-earth... | 04/12/2011 |
| 7919431 | Catalyst formulation for hydrogenation A composition and method for preparation of a catalyst for the liquid phase selective hydrogenation of alkynes to alkenes with high selectivity to alkenes relative to alkanes, high alkyne conversion, and sustained catalytic activity comprising a Group VIII metal and... | 04/05/2011 |
| 7906454 | Exhaust gas cleaning catalyst with an axially varying precious metal concentration and processes for making the catalyst The present invention relates to an exhaust gas cleaning catalyst comprising on a honeycomb carrier a catalytic coating. Said honeycomb carrier has an upstream end and a downstream end and a plurality of flow channels are running from the upstream end to the downstr... | 03/15/2011 |
| 7867943 | Exhaust gas purifying catalyst, and method for producing the same An exhaust gas purifying catalyst which is made excellent in heat resistance and in S-resistance by keeping the catalytic activity of Pt particles in a satisfactory state. The exhaust gas purifying catalyst is made such that a coating layer containing a compound oxi... | 01/11/2011 |
| 7846865 | Catalyst for purifying exhaust gas In the present invention, it is an assignment to optimize a loading density of noble metal on catalyst. Pt is loaded in such an amount that a loading amount per 1 liter of a support substrate exceeds 0.75 g on an exhaust-gas upstream side of a coating layer, ... | 12/07/2010 |
| 7833934 | Hydrocarbon reforming catalyst, method of preparing the same and fuel processor including the same A hydrocarbon reforming catalyst, a method of preparing the same, and a fuel processor including the same includes the hydrocarbon reforming catalyst having an active catalyst component impregnated in a oxide carrier and a thermally conductive material having higher... | 11/16/2010 |
| 7833933 | Process for the preparation of a paraffin isomerization catalyst A process for preparation of a paraffin isomerization catalyst comprising a mixture of a Group IVB metal oxide, a Group VIB metal oxide, a Group IIIA metal oxide and a Group VIII metal. The process includes the steps of: a) contacting a hydroxide of the Group IVB me... | 11/16/2010 |
| 7811967 | Method of preparing catalyst support from a waste catalyst A method of preparing, preferably recycling, a catalyst support material is disclosed and is particularly applicable to recycling a titania support. The invention includes crushing the used catalyst support that is obtained by leaching catalytic components from a us... | 10/12/2010 |
| 7799729 | Reforming catalyst In one embodiment, a reforming catalyst can include indium, tin, and a catalytically effective amount of a group VIII element for one or more reforming reactions. Typically, at least about 25%, by mole, of the indium is an In(3+) species based on the total moles of ... | 09/21/2010 |
| 7795172 | Layered exhaust treatment catalyst A layered exhaust treatment catalyst comprising: (a) a carrier such as cordierite; (b) a first layer deposited on the carrier comprising a palladium metal component, a platinum metal component and an oxygen storage component such as ceria supported on a refractory m... | 09/14/2010 |
| 7781366 | Sol-gel based oxidation catalyst and coating system using same An oxidation catalyst system is formed by particles of an oxidation catalyst dispersed in a porous sol-gel binder. The oxidation catalyst system can be applied by brush or spray painting while the sol-gel binder is in its sol state. ... | 08/24/2010 |
| 7767619 | Promoted calcium-aluminate supported catalysts for synthesis gas generation A promoted calcium-alumina supported reforming catalyst that is particularly useful for reforming reactions where low H2/CO ratio synthesis gas, such as less than 2.3 is generated directly is disclosed. The catalyst comprises from about 25 wt % to about 9... | 08/03/2010 |
| 7704918 | Synthesis of metal-metal oxide catalysts and electrocatalysts using a metal cation adsorption/reduction and adatom replacement by more noble ones The invention relates to platinum-metal oxide composite particles and their use as electrocatalysts in oxygen-reducing cathodes and fuel cells. The invention particularly relates to methods for preventing the oxidation of the platinum electrocatalyst in the cathodes... | 04/27/2010 |
| 7674744 | Catalyst powder, method of producing the catalyst powder, and exhaust gas purifying catalyst A method of producing catalyst powder of the present invention has a step of precipitating a carrier in a reversed micelle, and a step of precipitating at least one of a noble metal particle and a transition metal particle in the reversed micelle in which the carrie... | 03/09/2010 |
| 7605109 | Platinum-bismuth catalysts for treating engine exhaust An engine exhaust catalyst containing precious metal nanoparticles is promoted with bismuth. The bismuth promotion improves the catalyst's CO oxidation performance. Also, by varying the amount of bismuth that is added, the NO conversion rate that can be realized wit... | 10/20/2009 |
| 7585811 | Catalyst powder, exhaust gas purifying catalyst, and method of producing the catalyst powder A method of producing catalyst powder of the present invention has a step of precipitating a noble metal particle (2) and a porous carrier (1) in a reversed micelle substantially simultaneously; and a step of precipitating a transition metal particle (... | 09/08/2009 |
| 7585812 | High surface area, small crystallite size catalyst for Fischer-Tropsch synthesis A catalyst for use in the Fischer-Tropsch process, and a method to prepare the catalyst is disclosed. The catalyst of the present invention has a higher surface area, more uniform metal distribution, and smaller metal crystallite size than Fischer-Tropsch catalysts ... | 09/08/2009 |
| 7563746 | Catalyst and method of making the same In one embodiment, a method for making a composition can comprise combining a Type II aluminum hydroxide gel with a Type II oxygen storage gel prior to calcination to form a combined gel, and spray drying the combined gel to form a dried composite. A composition can... | 07/21/2009 |
| 7560412 | Fluid/slurry bed cobalt-alumina catalyst made by compounding and spray drying A method for producing a cobalt on alumina catalyst is disclosed. The catalyst is prepared by thoroughly mixing cobalt nitrate into a peptized alumina slurry, and then spray-drying the slurry to form attrition resistant microspheres. The cobalt prepared by this inve... | 07/14/2009 |
| 7547656 | Exhaust gas cleaning catalyst An exhaust gas cleaning catalyst comprising: a carrier substrate; a catalyst carrying layer formed on the carrier substrate; and a noble metal catalyst carried by the catalyst carrying layer; wherein said catalyst carrying layer comprises at least two layers, and of... | 06/16/2009 |
| 7521392 | Supported catalysts having platinum particles The catalytic efficiency of supported catalysts containing metal nanoparticles is strongly related to the chemical softness at the surfaces of such nanoparticles. Supported catalysts containing platinum nanoparticles having average surface softness values (expressed... | 04/21/2009 |
| 7510994 | Catalyst for Fischer-Tropsch synthesis and process for producing hydrocarbons A catalyst is provided which is low in methane selectivity in a high CO conversion region and high in chain growth probability α in a Fischer-Tropsch synthesis and comprises a support comprising silica or alumina and an oxide of zirconium and/or titanium loaded the... | 03/31/2009 |
| 7501378 | Catalysts with high cobalt surface area A method of making a cobalt-containing catalyst precursor, comprising slurrying a transition alumina powder with an aqueous solution of a cobalt ammine complex, heating the slurry to cause the cobalt ammine complex to decompose with the deposition of an insoluble co... | 03/10/2009 |
| 7473668 | Catalytic composition for the dehydrogenation of alkylaromatic hydrocarbons Process for the catalytic dehydrogenation of alkylaromatic hydrocarbons optionally mixed with ethane which comprises: A) dehydrogenating the hydrocarbon stream, optionally mixed with an inert gas, in a fluid bed reactor in the presence of a catalytic composition bas... | 01/06/2009 |
| 7468342 | Catalysts and process for producing aromatic amines As catalysts for producing aromatic amines by hydrogenating aromatic nitrites, there are disclosed (1) the catalyst comprising a metal catalyst component comprising Ni and/or Co and a specific amount of zirconia as a carrier component, which is prepared by drying, c... | 12/23/2008 |
| 7452844 | 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.... | 11/18/2008 |
| 7449425 | Production of alcohols from synthesis gas The invention relates to a catalyst composition, a method of making the same and its use in a process for converting synthesis gas to alcohols. The catalyst composition comprises an anionic clay hydrotalcite and a catalytically active metal component, such as rhodiu... | 11/11/2008 |
| 7435274 | Metal particle-dispersed composite oxides, metal particle-dispersed composite oxide-sintered bodies, method of manufacturing metal particle-dispersed composite oxides, and hydrocarbon-based fuel reformer There is disclosed a metal particle-dispersed composite oxide comprising a matrix material containing a composite oxide comprising a non-reducible metal oxide and an easily reducible metal oxide, the composite oxide containing 0.01 to 0.25 mol % of at least one addi... | 10/14/2008 |
| 7422995 | Process for the preparation of a supported catalyst The present invention relates to a Catalyst comprising a, preferably oxidic, core material, a shell of zinc oxide around said core material, and a catalytically active material in or on the shell, based on one or more of the metals cobalt, iron, ruthenium and/or nic... | 09/09/2008 |
| 7399729 | Catalyst system for the reduction of NO A catalyst system comprising a catalyst and a reductant is disclosed. The catalyst comprises a metal oxide catalyst support, a catalytic metal oxide, and a promoting metal. The catalytic metal oxide comprises gallium oxide, indium oxide or a combination of the two. ... | 07/15/2008 |
