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7408086 |
Ni/TiO2 hydrogenation catalyst
A catalyst comprising nickel on a TiO 2 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...
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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...
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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...
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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...
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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...
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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...
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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...
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7384889 |
Exhaust gas purifying catalyst and exhaust gas purifying system
An exhaust gas purifying catalyst of the present invention contains alumina, and ceria loading palladium and platinum, and the ratio of palladium (IV) oxide to palladium (II) oxide by peak...
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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...
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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...
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7381232 |
Process for producing CeO2 fine particles and polishing slurry containing such fine particles
To provide a process for producing CeO 2 fine particles having high crystallinity, being excellent in uniformity of composition and particle size and having a small particle size, and a polishing...
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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 H 2 /CO ratio synthesis gas, such as less than 2.3 is generated directly is...
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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...
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7365041 |
Method for producing ammoxidation catalyst
An ammoxidation catalyst comprising a molybdenum (component (1)), bismuth (component (2)), at least one element selected from the group consisting of nickel, cobalt, zinc, magnesium, manganese and...
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7361322 |
Ceric oxide and method for production thereof, and catalyst for exhaust gas clarification
The present invention relates to ceric oxide that has excellent heat resistance and oxygen absorbing and desorbing capability useful as a co-catalyst material suitable for a catalyst for purifying...
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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...
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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...
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7348291 |
Catalyst for the manufacture of acrylonitrile
A catalyst comprising a complex of catalytic oxides comprising potassium, cesium, cerium, chromium, cobalt, nickel, iron, bismuth, molybdenum, wherein the relative ratios of these elements is...
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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...
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7344683 |
Exhaust gas catalytic converter
The present invention is intended to ensure the improvement in catalytic performance of an exhaust gas catalytic converter, which is an essential performance thereof, ensure the thermal resistance...
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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...
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7329691 |
Perovskite catalyst for the partial oxidation of natural gas
A composition and method for a Catalytic Partial Oxidation (CPO) of methane to synthesis gas. The catalyst allows the process to proceed at low residence time providing a long time thermal...
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7329629 |
Catalyst system for lean burn engines
A catalyst system to provide emission reductions under lean and stoichiometric conditions. The catalyst system comprises a forward catalyst having a first cerium-free zone including oxides of...
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7329627 |
Ce/Cu/Mn-catalysts
Disclosed is a mixed oxide catalyst, preferably for selective oxidation of CO in hydrogen rich gas mixtures, or in oxygen containing gas mixtures in the presence of water and carbon dioxide,...
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7329359 |
Application of catalysts for destruction of organic compounds in liquid media
A method of destroying an organic compound in liquid media comprising: contacting said liquid media with a catalyst of formula: nN/Ce 1−x Zr c B b B′ b′ B″ b″ O 2−δ wherein n is a...
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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...
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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...
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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...
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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...
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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...
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7307038 |
NOx reduction compositions for use in FCC processes
Processes for preparing a composition comprising (i) an acidic metal oxide containing substantially no zeolite, (ii) an alkali metal, alkaline earth metal, and mixtures thereof, and (iii) an oxygen...
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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...
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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...
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7287370 |
NOx-trap
A NOx-trap composition comprises: (a) at least one first NOx storage component comprising at least one alkali metal supported on at least one first support material; and (b) a platinum oxidation...
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7276212 |
Exhaust articles for internal combustion engines
Provided is 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, and at least...
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7271127 |
Catalyst for partial oxidation reforming of fuel and fuel reforming apparatus and method using the catalyst
Disclosed is a catalyst for a partial oxidation reforming reaction of fuel in the form of disk having through-hole. In addition, according to the invention, there is provided a fuel reforming...
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7271126 |
Catalyst for the dehydrogenation of ethyl benzene to STYRENE prepared with a high purity iron precursor
A method for producing a catalyst for use in the dehydrogenation of ethylbenzene to styrene is disclosed. The catalyst of the present invention comprises a high purity metal and at least one...
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7271120 |
Catalyst for the synthesis of dimethyl carbonate from urea and methanol, preparation and use thereof
A catalyst for the preparation of dimethyl carbonate from urea and methanol having a composition on weight base of: active component of from 20 to 50 wt %, and carrier of from 80 to 50 wt %, and...
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7265076 |
CO removal catalyst, method of producing CO removal catalyst, hydrogen purifying device and fuel cell system
A CO removal catalyst of inducing CO shift reaction for allowing water and carbon monoxide to react to produce hydrogen and carbon dioxide, comprising a catalyst carrier having a cerium-zirconium...
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7262149 |
Method for catalytic treatment of a gas for reducing nitrogen oxide emission
A method and catalytic systems for treating a gas to reduce nitrogen oxide emissions are disclosed. The catalytic systems can include a catalytic composition which comprises an active phase on a...
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7259127 |
Purification catalyst for exhaust gas, production method therefor, and purification catalyst device for exhaust gas
Pd-based composite oxide containing at least one element selected from rare earth metals is used. Therefore, a composite oxide having the same amount of noble metal as in a conventional technique...
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7247597 |
Composite oxide, process for producing the same, and exhaust gas reducing co-catalyst
A composite oxide includes CeO 2 , ZrO 2 and a metallic oxide being free from reacting with CeO 2 and ZrO 2 at 700° C. or more, preferably at 900° C. or more and further preferably at 1,000°...
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7238640 |
Minimization of purge NOx release from NOx traps by optimizing the oxygen storage capacity
The present invention provides a catalyst for use in a NO x trap that has reduced NO x release during rich purges, increased NO conversion efficiency under stoichiometric conditions, and improved...
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7238639 |
Oxygen storage material based on cerium oxide, a process for its preparation and its use
An oxygen storage material based on cerium oxide with at least one other oxide of the metals silicon and zirconium, wherein the cerium oxide and the other oxides are present in the form of a mixed...
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7238333 |
High activity water gas shift catalysts with no methane formation
A method of reducing an amount of carbon monoxide in process fuel gas in a water gas shift converter with no methane formation. The method includes placing a high activity water gas shift catalyst...
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7235511 |
Exhaust gas purifying catalyst
An exhaust gas purifying catalyst includes a carrier and a catalyst layer provided on the carrier. The catalyst layer includes active Al 2 O 3 on which a noble metal is carried, an oxygen storage...
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7229948 |
Exhaust gas catalyst and method of manufacturing same
The present invention involves an exhaust gas catalyst and method of manufacturing same. The invention provides for a cost-effective material which lowers the cold-start emissions from the exhaust...
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7223715 |
Purification catalyst, preparation process therefor and gas-purifying apparatus
A purification catalyst and a gas-purifying apparatus are provided which are capable of sufficiently purifying a gas subject to treatment at low temperatures. The purification catalyst includes ZrO...
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7220702 |
Exhaust gas purification catalyst
A noble metal and an NO x sorption member are loaded on a support which includes composite particles having a structure including a core portion in which ZrO 2 is a major component and a...
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7217679 |
Catalytic coating for the hydrogenation of maleic anhydride and related compounds to give γ-butyrolactone, tetrahydrofuran and derivatives thereof
A catalyst for the hydrogenation of C 4 -dicarboxylic acids and/or their derivatives, preferably maleic anhydride, in the gas phase comprises from 5 to 100% by weight, preferably from 40 to 90% by...
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