Class 502/304 - Cerium

Subclass of Class 502 - Catalyst, solid sorbent, or support therefor: product or process of making
Definition: Composition in which the lanthanide is the second of the
No. of patents: 982
Last issue date: 05/29/2012

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Number	Title	Issue Date
8187996	Exhaust gas-purifying catalyst An object of the present invention is to provide an exhaust gas-purifying catalyst containing a composite oxide catalyst and a refractory support and being less prone to cause a decrease in its activity even when used at high temperatures in an atmosphere with high ...	05/29/2012
8187995	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...	05/29/2012
8173572	Metal oxide sols A sol includes metal oxide nanoparticles dispersed in an aqueous liquid, and further includes stabilizer ions. The metal oxide particles include one or more metals selected from a first group consisting of cerium, zirconium, iron, manganese and titanium, and one or ...	05/08/2012
8168560	Exhaust gas purifying catalyst An exhaust gas purifying catalyst is provided which includes a catalyst substrate and a catalyst coating layer. The catalyst coating layer is formed on the catalyst substrate and contains a noble metal and a refractory inorganic oxide. The catalyst coating layer has...	05/01/2012
8158552	Exhaust gas purifying catalyst An exhaust gas purifying catalyst exhibiting high purification performance in the Hot range is provided. The exhaust gas purifying catalyst has a catalyst substrate and a catalyst coating layer formed on the catalyst substrate. The catalyst coating layer has a layer...	04/17/2012
8158551	Catalyst compositions for the treatment of vehicular exhaust gases comprise zirconium oxide and cerium oxide, and have a high reducibility and a stable specific surface area Catalyst compositions for the treatment of vehicular exhaust gases are based on zirconium and cerium oxides, have a cerium oxide content of at most 50% by weight, a level of reducibility of at least 95% after calcination in air at 600°, and a specific surface area ...	04/17/2012
8138114	Methods and formulations for enhancing NHadsorption capacity of selective catalytic reduction catalysts A method of providing an automobile exhaust catalyst composition. The method includes acidifying a support composition with a conjugate base oxide of an inorganic acid having a Ka to obtain an acidified support exhaust catalyst composition. The support composition i...	03/20/2012
8119559	Catalyst, its preparation and use A dehydrogenation catalyst is described comprising an iron oxide, an alkali metal or compound thereof, and silver or a compound thereof. Further a process is described for preparing a dehydrogenation catalyst that comprises preparing a mixture of iron oxide, an alka...	02/21/2012
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

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Class 502/304 - Cerium