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| Number | Title | Issue Date |
| 8133839 | Exhaust gas-purifying catalyst An exhaust gas-purifying catalyst (1) contains a rare-earth element, an alkaline-earth element, zirconium and a precious metal, wherein an atomic ratio of the alkaline-earth element with respect to a sum of the rare-earth element and the zirconium is 10 atomi... | 03/13/2012 |
| 7612015 | Member having photocatalytic function and method for manufacture thereof A photocatalyst layer (TiO2) is formed on the surface of a substrate (glass plate) through the intermediary of a monoclinic undercoat layer (ZrO2), and no dead layer is substantially present between the photocatalyst layer and the undercoat lay... | 11/03/2009 |
| 7431910 | Process for preparing zirconium-cerium-based mixed oxides A process for preparing zirconium-cerium-based mixed oxides which comprises reacting an alkali with an aqueous solution of a zirconium salt containing 0.42-0.7 mole of sulphate anion (SO42−) per mole of zirconium cation at a temperature of no... | 10/07/2008 |
| 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 |
| 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 |
| 7410930 | Recovering catalyst and carrier by exfoliating overcoat layer on the surface of a catalyst layer The present invention is a method for recovering a catalyst from a catalyst body comprising a carrier having a catalyst layer formed on at least a part of the surface thereof, which comprises (a) a step of forming an overcoat layer on the surface of the catalyst lay... | 08/12/2008 |
| 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 |
| 7396518 | High-temperature denitration catalysts and processes for preparing same The present invention provides a method of high-temperature denitration characterized in that NOx in an exhaust gas is reduced at 450° to 800° C. using ammonia as a reducing agent in the presence of a catalyst which comprises zirconium oxide and SO3 or ... | 07/08/2008 |
| 7393809 | Catalyst for purification of diesel engine exhaust gas This invention provides a new catalyst for purification of diesel engine exhaust gas comprising a carrier of at least one sulfur-resistant refractory oxide and at least one catalytic metal, wherein at least one solid acid and/or sulfuric acid is carried on the carri... | 07/01/2008 |
| 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 |
| 7390770 | Catalyst for purifying an exhaust gas and a preparation process of the catalyst A catalyst for purifying an exhaust gas containing carbon monoxide and volatile organic compounds, which has a coat layer of a carrier composed of a porous inorganic compound, wherein the coat layer is a single layer, the porous inorganic compound has a BET specific... | 06/24/2008 |
| 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 |
| 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 |
| 7378370 | Process for the preparation of promoted calcium-aluminate supported catalysts 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... | 05/27/2008 |
| 7374729 | Exhaust gas treatment catalyst Provided are an exhaust treatment catalyst and an exhaust article containing the catalyst. The catalyst comprises: (a) a carrier; (b) a first layer deposited on the carrier, said first layer comprising substantiall... | 05/20/2008 |
| 7375053 | Nickel and cobalt plated sponge catalysts Novel nickel and/or cobalt plated sponge based catalysts are disclosed. The catalyst have an activity and/or selectivity comparable to conventional nickel and/or cobalt sponge catalysts, e.g., Raney® nickel or Raney® cobalt catalysts, but require a reduced content... | 05/20/2008 |
| 7371706 | Catalyst for removing hydrocarbons from exhaust gas and method for purification of exhaust gas A catalyst for removing hydrocarbons from exhaust gas containing methane and an excess of oxygen, which comprises palladium or palladium/platinum supported on at least one carrier selected from zirconia, sulfated zirconia and tungsten-zirconia, and a method for trea... | 05/13/2008 |
| 7365040 | Catalysts A process for preparing a cobalt-based Fischer-Tropsch synthesis catalyst includes introducing a soluble modifying component precursor of the formula Mc(OR)x, where Mc is a modifying component selected from the group comprising Si, Ti, Cu, Zn, Zr, Mn, Ba,... | 04/29/2008 |
| 7358212 | Method for producing multinary metal oxide powders in a pulsed reactor The invention relates to a method for producing a one-part, multinary metal oxide power which is suitable for producing high-temperature superconductors. To this end, a mixture of the corresponding metal salts and/or metal oxides and/or metals in the requisite stoic... | 04/15/2008 |
| 7358211 | Catalyst for the production of 1,3-propanediol by catalytic hydrogenation of 3-hydroxypropanal A process for preparing a catalyst, comprising sequentially: (a) saturating a TiO2 support with aqueous ruthenium solution; (b) treating the ruthenium saturated TiO2 support with an aqueous base solution; and (c) curing the ruthenium saturated ... | 04/15/2008 |
| 7354883 | Catalyst and method for the production of 1-olefins from 2-hydroxylkanes The present invention relates to a process for preparing 1-olefins from 2-hydroxyalkanes by catalytic elimination of water under nonisomerizing conditions and to a catalyst which is particularly well-suited for this process and formally comprises yttrium oxide (Y | 04/08/2008 |
| 7354882 | Carbon monoxide removing catalyst and production process for the same as well as carbon monoxide removing apparatus A carbon monoxide removing catalyst whose catalytic activity is higher than conventional carbon-monoxide-methanation-reaction catalyst comprising an oxide support containing an oxide containing Co and Zr, and a Ru, Pt, Rh and/or Pd noble metal catalyst loaded on the... | 04/08/2008 |
| 7351382 | Particle filter having a catalytically active coating to accelerate burning off accumulated soot particles during a regeneration phase The present invention is directed to a particle filter to remove soot from the exhaust gas of a diesel engine. The particle filter contains a catalytically active coating on a filter body to accelerate bum-off during a regeneration phase of the soot particles collec... | 04/01/2008 |
| 7348293 | Homogeneous modified-alumina Fischer-Tropsch catalyst supports A homogeneous, amorphous catalyst support comprising a modifying-metal-oxide and a base-metal oxide, the catalyst support having a Surface to Bulk modifying-metal/base-metal atomic ratio of from about 0.6 to about 1.3 and exhibiting an X-ray diffraction having broad... | 03/25/2008 |
| 7345214 | Modified PT/RU catalyst for ring opening and process using the catalyst A catalyst for opening naphthenic rings has been developed. The catalyst comprises ruthenium and platinum as the active catalytic metals and a modifier with cerium being a preferred modifier. At least 50% of the platinum and ruthenium components are present as parti... | 03/18/2008 |
| 7341975 | Exhaust gas purification catalytic material and method for fabricating the same The present invention relates to an exhaust gas purification catalytic material containing: (a) a mixed oxide containing Ce and Zr for storing and releasing oxygen; and (b) a precious metal catalyst made of one or more kinds of precious metals. The precious metal ca... | 03/11/2008 |
| 7326819 | High-activity isomerization catalyst and process A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component of... | 02/05/2008 |
| 7323432 | Catalyst assembly A catalyst assembly comprising a substrate, nanofilaments which have a nanometer-size diameter and are formed on the substrate, and particles which have a nanometer-size diameter, at least one of the nanofilaments and the particles having a catalytic function, is pr... | 01/29/2008 |
| 7318915 | Oxidation-reduction catalyst and its process of use This invention relates generally to a ruthenium stabilized oxidation-reduction catalyst useful for oxidizing carbon monoxide, and volatile organic compounds, and reducing nitrogen oxide species in oxidizing environments, substantially without the formation of toxic ... | 01/15/2008 |
| 7316806 | Modifying catalyst for partial oxidation and method for modification A reforming catalyst for partial oxidation to reform hydrocarbon compound including a sulfur-containing compound includes platinum and rhodium. Even in reforming a hydrocarbon compound including a sulfur-containing compound such as, for example, a town gas, the cata... | 01/08/2008 |
| 7314846 | Method for preparing metal oxide particles and an exhaust gas purifying catalyst The present invention relates to metal oxide particles having cores comprising larger molar amounts of zirconia than of ceria, and surface layers comprising larger molar amounts of ceria than of zirconia. Further, the present invention relates to a method for prepar... | 01/01/2008 |
| 7309480 | 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... | 12/18/2007 |
| 7307039 | Exhaust gas purification catalyst and oxygen storage component for the same In an exhaust gas purification catalyst comprising a honeycomb support and a catalytic layer that is formed on wall surfaces of each cell of the honeycomb support and contains active alumina and a mixed oxide containing Ce, Zr and Nd and doped with catalytic preciou... | 12/11/2007 |
| 7304012 | Catalyst A process for preparing a supported catalyst or catalyst precursor containing carbon, said process comprising: a. preparing a liquid mixture of (i) at least one catalyst support or catalyst support precursor; (ii) at least one metal-containing compound, wherein said... | 12/04/2007 |
| 7304014 | Modified catalysts and process Modified metal oxide catalysts are disclosed which have different chemical, physical and catalytic properties, when used for catalytic conversions of carbon based compounds, as compared to corresponding unmodified metal oxide catalysts. Methods for preparing the mod... | 12/04/2007 |
| 7304013 | Metal oxide catalysts Bulk and supported catalysts are prepared from an aqueous slurry containing a catalytically active material and a binder. The slurry is either coated onto a support and dried to form a porous, high surface area phase containing the catalytically active material, or ... | 12/04/2007 |
| 7297654 | Exhaust gas-purifying catalyst An exhaust gas-purifying catalyst includes a carrier, and an active component formed of a noble metal, carried by the carrier. The carrier has a core portion comprising a cubic or tetragonal stabilized zirconia-based composite oxide containing at least one stabilizi... | 11/20/2007 |
