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| Number | Title | Issue Date |
| 8168559 | Production method of oxidation catalyst device for exhaust gas purification According to a first embodiment of a production method of an oxidation catalyst device for exhaust gas purification of the present invention, a plurality of slurries containing a catalyst precursor prepared from mutually different organic acids is coated respectivel... | 05/01/2012 |
| 8158550 | Multilayer catalyst, process for the preparation and use thereof in the partial oxidation of hydrocarbons in gaseous phase The invention relates to a multilayer catalyst for the partial oxidation of hydrocarbons in gaseous phase, comprising a monolithic ceramic or metallic substrate having a solid macroporous structure consisting of one or more structures, on which a first active layer ... | 04/17/2012 |
| 8153331 | Fabrication method of anode and electrolyte in solid oxide fuel cell The present invention relates to a fabrication method of a solid oxide fuel cell. The fabrication method of a fuel electrode and electrolyte of a solid oxide fuel cell (SOFC) in which a sheet cell including a fuel electrode sheet and an electrolyte sheet is position... | 04/10/2012 |
| 8101539 | Purifying catalyst A purifying catalyst includes catalyst powder composed of a transition metal oxide of which an average particle diameter is within 1 nm to 2 μm and in which an electron binding energy of oxygen is shifted to an energy side lower than 531.3 eV. The purifying catalys... | 01/24/2012 |
| 8067330 | Catalytic material and catalyst for purifying exhaust gas component Disclosed is a catalytic material for purifying an exhaust gas component. The catalytic material comprises a composite oxide which contains, as essential components, zirconium (Zr) and neodymium (Nd), and further contains a rare-earth metal R other than cerium (Ce) ... | 11/29/2011 |
| 7994090 | Process for producing fine particles of solid solution Provided is a process for readily producing fine particles of a solid solution having a small particle size, comprising a solid solution of zirconia, ceria and a rare earth oxide in a desired composition, and being highly crystalline. The process for producin... | 08/09/2011 |
| 7968490 | Method for producing porous substances A porous substance producing method for producing a porous substance; by holding particles for precursors of the porous substance in micelles or inverse micelles kept in a dispersed state in a solvent with a surfactant; by agglomerating the particles of the micelles... | 06/28/2011 |
| 7964527 | Catalytic compositions comprising the oxides of zirconium, cerium, yttrium, lanthanum and other rare earths Catalytic compositions useful, e.g., for the treatment of internal combustion engine exhaust gases, are based on zirconium oxide in a weight proportion of at least 25%, from 15% to 60% of cerium oxide, from 10% to 25% of yttrium oxide, from 2% to 10% of lanthanum ox... | 06/21/2011 |
| 7956005 | 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 ... | 06/07/2011 |
| 7935653 | Metal oxide nanoporous material, coating composition to obtain the same, and methods of manufacturing them A metal oxide nanoporous material comprises two or more kinds of first metal oxides selected from the group consisting of alumina, zirconia, titania, iron oxide, rare-earth oxides, alkali metal oxides and alkaline-earth metal oxides. The metal oxide nanoporous mater... | 05/03/2011 |
| 7879754 | Sulfur-tolerant catalyst systems Methods for improving the sulfur-tolerance of nickel-based catalyst systems, as well as the improved catalyst systems, are disclosed. The methods can include adding praseodymium alone, or in combination with ruthenium and/or cerium, to a nickel-based catalyst system... | 02/01/2011 |
| 7875572 | Combustion catalyst for treating diesel exhaust gas and method for treating diesel exhaust gas The present invention provides a catalyst for combustion treatment of suspended particulate matter in diesel exhaust gases, and a combustion catalyst for treating diesel exhaust gases in which a precious metal or an oxide thereof as the catalytic component is loaded... | 01/25/2011 |
| 7825063 | Hydrogen sulfide generation-suppressed catalyst An exhaust gas-purifying catalyst includes Nd and/or Pr as an active ingredient that suppresses generation of hydrogen sulfide. ... | 11/02/2010 |
| 7820586 | Composition based on zirconium oxide and oxides of cerium, lanthanum and of another rare earth, a method for preparing same and use thereof as catalyst The invention concerns a composition based on zirconium and cerium oxides in an atomic ratio Zr/Ce>1, and further comprising lanthanum oxide or an oxide of a rare earth other than cerium and lanthanum. The invention is characterized in that after calcination for 6 h... | 10/26/2010 |
| 7759278 | Exhaust gas-purifying catalyst An exhaust gas-purifying catalyst includes a rare-earth element, an alkaline-earth element, and a precious metal. A part of the rare-earth element and a part of the alkaline-earth element form a composite oxide. The composite oxide and a part of the precious metal f... | 07/20/2010 |
| 7704916 | Compound having a pyrochlore-structure and its use as a catalyst carrier in water gas shift reaction A compound of formula (Na0.33A0.66)2B2O7-δ wherein A is one or more metals chosen from the lanthanide metals; B is one or more metals chosen from Ti, Sn, Ge, Ru, Mn, Ir, Os and Pb; and δ is a number in the ran... | 04/27/2010 |
| 7696126 | Method of producing oxidation catalyst for cleaning exhaust gas A method of producing an oxidation catalyst for cleaning exhaust gas, excellent in the function of oxidizing high boiling point materials such as particulates and polycyclic aromatic hydrocarbons contained in the exhaust gas of internal-combustion engines is provide... | 04/13/2010 |
| 7674743 | Catalyst system for the reduction of NOx and NHemissions This catalyst system simultaneously removes ammonia and enhances net NOx conversion by placing an NH3—SCR catalyst formulation downstream of a lean NOx trap. By doing so, the NH3—SCR catalyst adsorbs the ammonia from the upstream lean NOx t... | 03/09/2010 |
| 7670986 | Manganese dioxide catalyst for the hydrolysis of carbonitriles A manganese dioxide catalyst for hydrolysing organic nitrites which bear readily oxidizable groups such as thiol or thioether groups to the corresponding carboxamides, and to a process for preparing the catalyst and to its use for hydrolysing organic nitrites. ... | 03/02/2010 |
| 7662743 | NOx purifying catalyst The present invention provides an NOx purifying catalyst that removes NOx with sufficient efficiency even under low temperature operation such as diesel engine automobiles. An NOx purifying catalyst for processing NOx in exhaust gas by rich/lean control of the air-f... | 02/16/2010 |
| 7655594 | Materials for degrading contaminants Briefly described, compositions, materials including the compositions, methods of using the compositions, and methods of degrading contaminants, are described herein. The composition can include a polyoxometalate/ cationic silica material. In addition, the compositi... | 02/02/2010 |
| 7612011 | Ceria-based mixed-metal oxide structure, including method of making and use A homogeneous ceria-based mixed-metal oxide, useful as a catalyst support, a co-catalyst and/or a getter has a relatively large surface area per weight, typically exceeding 150 m2/g, a structure of nanocrystallites having diameters of less than 4 nm, and ... | 11/03/2009 |
| 7576029 | Catalyst The present invention provides a catalyst comprising particles of one or more catalytic metals supported on a porous carrier made of one or more metal oxides, wherein the porous carrier is made of an oxide containing a rare earth oxide, and that the catalytic metal ... | 08/18/2009 |
| 7572751 | Oxidation catalyst for cleaning exhaust gas The present invention provides an oxidation catalyst for cleaning exhaust gas, capable of achieving an excellent catalytic activity at a lower temperature for particulates and high boiling point hydrocarbons in exhaust gas from internal-combustion engines. The oxida... | 08/11/2009 |
| 7531479 | Catalytically active coating and method of depositing on a substrate A method of depositing a catalytically reactive coating to a substrate including selecting a target light off temperature for a predetermined catalytic combustion environment, selecting a thermal barrier coating composition, selecting a catalytic material and codepo... | 05/12/2009 |
| 7517830 | Substrate for exhaust-gas purifying filter catalyst In the distribution of surface vacancies which open on the surface of the cellular walls of pores, more than 8% of total opening area of all surface vacancies that the pores are open on the surface of the cellular walls is occupied by total opening area of surface v... | 04/14/2009 |
| 7507690 | Autothermal reforming catalyst having perovskite structure The invention addressed two critical issues in fuel processing for fuel cell application, i.e. catalyst cost and operating stability. The existing state-of-the-art fuel reforming catalyst uses Rh and platinum supported over refractory oxide which add significant cos... | 03/24/2009 |
| 7435703 | Catalyst comprising iron oxide made by heat decomposition of an iron halide and a lanthanide A catalyst which is based upon an iron oxide and a compound of a lanthanide, of which iron oxide at least a portion is made by a process which involves heat decomposition of an iron halide, the lanthanide being in a quantity in the range of from 0.07 to 0.15 mole pe... | 10/14/2008 |
| 7422731 | Catalyst and method for contact decomposition of nitrogen oxides The invention provides a catalyst for catalytic direct decomposition of nitrogen oxides contained in exhaust gases wherein fuel is supplied and subjected to combustion under periodic rich/lean conditions and the resulting exhaust gases are brought into contact there... | 09/09/2008 |
| 7408086 | Ni/TiOhydrogenation catalyst A catalyst comprising nickel on a TiO2 support is obtainable by coprecipitation of nickel and at least one further metal selected from among Si, Zr, Hf, alkaline earth metals, Y, La and Ce, and ... | 08/05/2008 |
| 7407911 | Method of preparing a double layered, palladium-only three-way catalyst The present invention relates to a method of preparing a double layered, palladium-only three-way catalyst using three different composite oxides. More particularly, the present invention relates to a method of preparing a double layered, palladium-only three-way ca... | 08/05/2008 |
| 7402612 | Stabilized transition alumina catalyst support from boehmite and catalysts made therefrom This invention relates to methods for making a stabilized transition alumina of enhanced hydrothermal stability, which include the introduction of at least one structural stabilizer; a steaming step before or after the introduction step, wherein steaming is effectiv... | 07/22/2008 |
| 7399728 | Catalyst formulation, exhaust system, and gas treatment device In one embodiment, a catalyst formulation includes a poison adsorbing material and a catalyst material. The poison adsorbing material comprises large particles having an average major diameter of greater than or equal to about 2.0 micrometers. The catalyst material ... | 07/15/2008 |
| 7396516 | Manganese containing oxygen storage component comprising three-way catalyst composition A three-way catalyst (TWC) composition comprises a manganese-containing oxygen storage component (OSC) and at least one optionally doped alumina wherein where the at least one alumina is gamma-alumina it is doped with at least one of a rare earth metal, silicon, ger... | 07/08/2008 |
| 7393808 | Particulate matter-oxidizing material and oxidizing catalyst A particulate matter-oxidizing material which enhances the rate of oxidizing the particulate matter at low temperatures (not higher than about 300° C.), and of which the action for purifying NOx by reduction at high temperatures (not lower than about 500° C.) is n... | 07/01/2008 |
| 7390768 | Stabilized tin-oxide-based oxidation/reduction catalysts The invention described herein involves a novel approach to the production of oxidation/reduction catalytic systems. The present invention serves to stabilize the tin oxide reducible metal-oxide coating by co-incorporating at least another metal-oxide species, such ... | 06/24/2008 |
| 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 |
| 7384612 | Diesel exhaust gas purifying filter An exhaust cleanup filter which, even if the exhaust temperature is low as during vehicular driving under low load, can trap PM efficiently to prevent clogging by PM buildup and which also is effective in purifying the exhaust from a diesel engine that does not use ... | 06/10/2008 |
| 7384888 | Cerium-zirconium composite metal oxide A cerium-zirconium composite metal oxide having improved durability at high temperature and a stable oxygen storage capacity is provided. The cerium-zirconium composite metal oxide is characterized in that the total mole number of Ce and Zr is at least 85% based on ... | 06/10/2008 |
| 7381680 | Method for increasing the strength of porous ceramic bodies and bodies made therefrom A porous ceramic body having increased strength is formed by exposing a porous ceramic body to a source of boron and heating the porous body to a sufficient temperature in an oxygen containing atmosphere to form the porous ceramic body. The porous ceramic body has a... | 06/03/2008 |
