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| Number | Title | Issue Date |
| 8101540 | Catalysts for low temperature oxidation of carbon monoxide CuO—ZnO—CeO2 catalyst and aged CuO—ZnO catalyst catalytically active for low temperature oxidation of carbon monoxide. The catalysts are co-precipitated, filtered, washed, dried, and calcined. The catalysts can be incorporated into a component of a ... | 01/24/2012 |
| 8097553 | Catalyst support powder and exhaust gas purifying catalyst The present invention provides a catalyst support powder 3 comprising ceria and zirconia, wherein the ratio of the molar fraction (mol %) of ceria on the support powder surface as measured by the X-ray photoelectron spectroscopy to the molar fraction (mol %) ... | 01/17/2012 |
| 8071501 | Composite oxide for use as exhaust gas purification catalyst and filter A composite oxide for exhaust gas purification catalysts, which comprises Ce, Bi, R and oxygen and satisfies 0 | 12/06/2011 |
| 8053387 | Catalyst having metal in reduced quantity and reduced cluster size The invention contemplates a method of making a catalytic material, and uses of the material. The catalytic material is made by depositing catalytic metals, such as gold or platinum, on substrate materials, such as lanthanum-doped ceria or other oxides. The catalyti... | 11/08/2011 |
| 8053388 | Catalyst support particle, exhaust gas purifying catalyst, and production processes thereof Disclosed are a catalyst support particle comprising alumina having dispersed therein ceria primary particles, wherein a prominent peak of alumina is not present in the vicinity of 2θ=67° in the X-ray diffraction analysis; an exhaust gas purifying catalyst obtaine... | 11/08/2011 |
| 8039415 | Honeycomb structure A honeycomb structure includes large-volume cells and small-volume cells with a cell wall therebetween; a plug sealing at either one of end portions of the cells; and a catalyst supported on the cell wall. The large-volume cell has a larger cross-sectional area perp... | 10/18/2011 |
| 8026193 | Metal oxide particle, production process thereof and exhaust gas purifying catalyst The present invention provides a metal oxide having a combination of multiple properties useful in the production of an exhaust gas purifying catalyst, a production process thereof, and an exhaust gas purifying catalyst for purifying the components in an exhaust gas... | 09/27/2011 |
| 8022010 | NOx storage materials and traps resistant to thermal aging Nitrogen oxide storage materials and methods of manufacturing nitrogen oxide storage materials are disclosed. The nitrogen oxide storage materials can be used to manufacture catalytic trap disposed in an exhaust passage of an internal combustion engine which is oper... | 09/20/2011 |
| 7989387 | Process for producing metal oxide particle and exhaust gas purifying catalyst The present invention provides an exhaust gas purifying catalyst and a process for producing a metal oxide particle comprising multiple species of metal oxides and capable of satisfactorily exerting the properties of respective metal oxides. A process of the present... | 08/02/2011 |
| 7939462 | Composition based on cerium and zirconium oxides having a specific surface which is stable between 900° c and 1000° c method for the production and use thereof as a catalyst The inventive composition, according to a first embodiment, consists essentially of a cerium oxide and a zirconium oxide. According to a second embodiment, said composition is based on cerium oxide, zirconium oxide and at least one rare earth oxide other than cerium... | 05/10/2011 |
| 7919429 | Zirconia-ceria-yttria-based mixed oxide and process for producing the same The present invention provides a zirconia-ceria-yttria-based mixed oxide having a stable crystal structure after 12 hours of heat treatment at 1100° C. under a reducing atmosphere, and a process for producing the mixed oxide. ... | 04/05/2011 |
| 7915195 | Exhaust gas purifying catalyst and production process thereof An exhaust gas purifying catalyst is disclosed, comprising a ceria-zirconia solid solution and an iron oxide dispersed and at least partially solid-dissolved in the ceria-zirconia solid solution. A process for producing the exhaust gas purifying catalyst of the pres... | 03/29/2011 |
| 7888282 | Catalyst for manufacturing synthesis gas and method of manufacturing synthesis gas using the same A catalyst for manufacturing synthesis gas has a carrier and a Group VIII metal carried by the carrier. The carrier contains a first ingredient, a second ingredient and a third ingredient. The first ingredient is an oxide of at least an alkaline earth metal selected... | 02/15/2011 |
| 7879755 | Catalyst compositions Provided are catalyst composites comprising: a catalytic material on a carrier, the catalytic material comprising a precious metal selected from a palladium component and an oxygen storage component, the oxygen storage component being present in an amount of at leas... | 02/01/2011 |
| 7871956 | Cerium/zirconium-base composite oxide, method for producing the same, oxygen storage/release component using said cerium-zirconium-base composite oxide, exhaust gas purification catalyst, and exhaust gas purification method using the same This invention relates to a cerium-zirconium-base composite oxide, which is useful, e.g., for the purification of exhaust gas discharged from combustion engines such as internal combustion engines and boilers and can release a high level of oxygen in a low temperatu... | 01/18/2011 |
| 7871957 | Catalyst support of mixed cerium zirconium titanium oxide, including use and method of making A durable catalyst support/catalyst is capable of extended water gas shift operation under conditions of high temperature, pressure, and sulfur levels. The support is a homogeneous, nanocrystalline, mixed metal oxide of at least three metals, the first being cerium,... | 01/18/2011 |
| 7863217 | Exhaust gas purifying catalyst and exhaust gas purifying method Disclosed is an exhaust gas purifying catalyst, which comprises a catalyst layer formed on a honeycomb-shaped support. The catalyst layer is formed by mixing a catalyst powder (A) consisting of a composite oxide (RhZrCeNdO) which contains at least Ce, Zr, and a cata... | 01/04/2011 |
| 7846863 | Exhaust gas purifying catalyst An exhaust gas purifying catalyst comprises a substrate having a through hole serving as a passage for exhaust gas; and a catalyst coating layer formed on an internal surface of the through hole. The catalyst coating layer contains: a component (i): a precious metal... | 12/07/2010 |
| 7838460 | Nanoporous metal oxide material, catalyst support, and catalyst for hydrogen production reaction using the same A nanoporous metal oxide material comprising two or more metal oxides, wherein the nanoporous metal oxide material has ceria content of 10 to 60 weight %, zirconia content of 20 to 90 weight %, and alumina content of 70 weight % or less, and has nanopores whose diam... | 11/23/2010 |
| 7833930 | Exhaust gas purifying catalyst and production method thereof An exhaust gas purifying catalyst including: a plurality of first compounds 5 which have precious metal particles 3 supported thereon and are formed into a particle shape; and second compounds 7 which are arranged among the plurality of first co... | 11/16/2010 |
| 7811961 | Methods and formulations for enhancing NH3 adsorption capacity of selective catalytic reduction catalysts According to one embodiment of the present invention, an enhanced NH3 adsorbing automotive exhaust composition including a catalyst composition suitable for use in a selective catalytic reduction (SCR) system and an acidified support composition for enhan... | 10/12/2010 |
| 7811962 | Manufacture of exhaust articles for internal combustion engines Provided are methods for manufacturing a base metal undercoat containing catalyst and an exhaust article containing the catalyst. The catalyst contains a base metal undercoat with an oxygen storage component, substantially free of platinum group metal components, an... | 10/12/2010 |
| 7795171 | Cerium-zirconium based compound oxide and production method thereof The present invention provides a cerium-zirconium based compound oxide having a total pore volume of at least 0.4 ml/g, the volume of pores having a diameter of 10 nm to 100 nm of 0.25 ml/g or more, and the volume of pores having a diameter of 100 nm to 10 μm of 0.... | 09/14/2010 |
| 7795170 | Catalyst Provided is a catalyst with a noble metal efficiently supported on the surfacemost thereof. A composite oxide-containing layer is formed on a catalyst carrier so as to contain a perovskite-type composite oxide represented by the following general formula (1) and an ... | 09/14/2010 |
| 7767617 | Reduced maximum reducibility temperature zirconium oxide and cerium oxide based composition, method for the production and use thereof as a catalyst A composition is based on zirconium oxide and cerium oxide with a proportion of zirconium oxide amounting to at least 50% by mass, having a maximum reducibility temperature of no more than 500° C. and a specific surface of at least 40 m2/g after 6 hours ... | 08/03/2010 |
| 7754650 | Trifunctional catalyst for sulphur transfer, denitrogenation and combustion promoting and a method for preparing the same The present invention relates to a trifunctional catalyst used in catalytic cracking device in petroleum refining industry and a method for preparing the same. The trifunctional catalyst of the invention comprises absorbent, cerium dioxide and vanadium pentoxide act... | 07/13/2010 |
| 7745371 | Exhaust gas purifying catalyst, metal oxide particle and production process thereof In order to provide an exhaust gas purifying catalyst having improved heat resistance and OSC, a metal oxide particle, and a production process of the metal oxide particle, a metal oxide particle having a core (1) where the total molar number of alumina and s... | 06/29/2010 |
| 7718567 | Exhaust gas purging catalyst and method for producing the exhaust gas purging catalyst An exhaust gas purging catalyst, includes: an integrated carrier; and a catalyst coat layer formed on the integrated carrier. The catalyst coat layer includes a catalyst component and meets the following expression (A): P≧0.17W−0.04 - - - (A). P denotes a summat... | 05/18/2010 |
| 7713909 | Catalyzed diesel soot filter and process A catalyzed Diesel soot filter and process. The Diesel soot filter incorporates a porous filter element coated with a catalytic agent so that Diesel soot from Diesel exhaust gas is deposited into contact with the catalytic agent when Diesel exhaust gas is passed thr... | 05/11/2010 |
| 7691775 | Reducible oxide based catalysts A catalyst is disclosed herein. The catalyst includes a reducible oxide support and at least one noble metal fixed on the reducible oxide support. The noble metal(s) is loaded on the support at a substantially constant temperature and pH. ... | 04/06/2010 |
| 7678734 | Oxidation catalysts The present invention relates to an oxidation catalyst comprising a substrate and an oxidation coating of platinum (Pt), palladium (Pd), cobalt (Co), iron (Fe) and cerium (Ce) applied to the substrate. Furthermore the invention relates to a method for producing such... | 03/16/2010 |
| 7678733 | Method for producing heat-resisting compound oxides A method for producing a heat-resisting compound oxide in which first oxide particles are made to carry second fine particles having near charging characteristics. Said first oxide particles or their precursors are caused, before said first oxide particles or their ... | 03/16/2010 |
| 7659227 | Catalysts for hydrogen production Embodiments of the present invention provide catalysts for production of hydrogen from methanol. In an embodiment, a Cu/Zn catalyst may be promoted by Zr and/or Ce, in addition to, in embodiments, Pd or another noble metal. In an embodiment, a chemical composition m... | 02/09/2010 |
| 7632776 | Exhaust gas purifying catalyst and production process thereof The present invention provides an exhaust gas purifying catalyst and a production process thereof. An exhaust gas purifying catalyst of the present invention comprises a metal oxide particle (1, 2) and rhodium (3) supported thereon, the metal oxide par... | 12/15/2009 |
| 7608559 | Method for producing heat-resisting compound oxides A method for producing a heat-resisting compound oxide in which oxide particles are made to carry fine particles having a smaller particle diameter than that of said oxide particles. Said oxide particles or their precursor particles are charged to a potential invers... | 10/27/2009 |
| 7576030 | Activated ignition promoters for metal catalyzed reactions The inventors have discovered catalyst ignition promoters comprising one or more activated metals. The catalyst ignition promoters are easily prepared from a number of metal sources, including spent catalysts, are activated quickly and provide effective catalyst ign... | 08/18/2009 |
| 7569511 | Catalyst composition for alcohol steam reforming An alcohol steam reforming catalyst for generating hydrogen contains palladium, yttrium, and at least one of cerium and a metal oxide. The catalyst displays both an improved alcohol conversion rate and improved carbon dioxide selectivity. Methods of making and using... | 08/04/2009 |
| 7560410 | Gold-ceria catalyst for oxidation of carbon monoxide A catalyst comprising gold nanodots on cerium oxide, catalytically active for oxidation of carbon monoxide at room temperature. The catalyst is prepared by deposition-precipitation followed by aging or ultrasound treatment. ... | 07/14/2009 |
| 7504356 | Nanoparticles of cerium oxide having superoxide dismutase activity A synthetic catalyst providing superoxide dismutase activity consists essentially of monodispersed nanoparticles of cerium oxide having a crystal lattice containing cerium in mixed valence states of Ce3+ and Ce4+ wherein the Ce4+ val... | 03/17/2009 |
| 7485599 | Oxygen storage material, process for its preparation and its application in a catalyst An oxygen storage material comprising cerium oxide and at least one second oxide of a metal M1 is disclosed as well as a process for manufacturing the material and the use of this material in an exhaust gas cleaning catalyst. In a preferred embodiment the... | 02/03/2009 |
