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| Number | Title | Issue Date |
| 7842643 | Exhaust gas purifying catalyst An exhaust gas purifying catalyst exhibiting high catalytic performance and restraining an amount of noble metals used is provided. An exhaust gas purifying catalyst has a catalyst substrate and a catalyst coating layer formed on the catalyst substrate. The catalyst... | 11/30/2010 |
| 7842642 | Catalyst carrier and catalyst using the same The catalyst carrier in accordance with the present invention is a catalyst carrier comprising a support containing an oxide and an element in group 3A of the periodic table, and a coating part covering at least a part of a surface of the support; wherein the coatin... | 11/30/2010 |
| 7811960 | Catalyst for exhaust gas purification and exhaust gas purification apparatus A catalyst for exhaust gas purification is provided that can not only efficiently and simultaneously purify nitrogen oxides, hydrocarbons and carbon monoxide in exhaust gas emitted from internal combustion engines such as those of automobiles even at lower temperatu... | 10/12/2010 |
| 7781365 | Zirconia-based mixed oxide and production process thereof The present invention provides a zirconia-based mixed oxide which, together with improving the heat resistance of specific surface area at a high temperature (1000° C. for 3 hours), has a ceria reduction rate of 80% or more, or in other words, improves the heat res... | 08/24/2010 |
| 7776783 | Catalyst carrier and exhaust gas purification catalyst A catalyst carrier and exhaust gas purification catalyst superior in sintering inhibiting effect of precious metal catalyst particles are provided, that is, a catalyst carrier for carrying a precious metal comprised of a composite oxide of an electron accepting elem... | 08/17/2010 |
| 7759279 | Exhaust gas purifying catalyst and production method thereof An exhaust gas purifying catalyst including: rhodium particles having catalytic activity; compound particles which are formed on peripheries of the rhodium particles and support the rhodium particles; and oxides which are formed on peripheries of the compound partic... | 07/20/2010 |
| 7732369 | Method and device for catalytic oxidation and reduction of gases and vapours by crystalline compounds of heavy metals and rare earths The invention describes the production of a catalyst for use in the oxidation and selective reduction with properties resembling the catalytic property of the noble metal catalysts, by formation of a crystal surface on catalyst supports from a synthesis crystal of t... | 06/08/2010 |
| 7723259 | Particulate matter (PM) oxidizing catalyst A particulate matter oxidizing catalyst includes: at least one metal selected from the group consisting of: gallium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, molybdenum, silver, lanthanum, praseodymium, neodymium and gold; and cerium, wh... | 05/25/2010 |
| 7589045 | Exhaust gas purifying catalyst and exhaust gas purifying device therewith for vehicle An exhaust gas purifying catalyst which exhibits sufficient efficiency during low temperature operation (below 400° C.) such as starting of a vehicle or idling operation can be provided by improving activation of a noble metal itself and preventing reduction of act... | 09/15/2009 |
| 7585809 | Purification catalyst for exhaust gas, production method therefor, and purification catalyst equipment for exhaust gas A purification catalyst for exhaust gas which exhibits satisfactory performance even at a low temperature operation of starting or idling of engine (not more than 400° C.), and a production method therefore are provided. The catalyst comprises an aluminum ox... | 09/08/2009 |
| 7538066 | Method of preparing a hydrotreating catalyst on a support containing a rare earth metal This invention relates to supported multi-metallic catalysts for use in the hydroprocessing of hydrocarbon feeds, as well as a method for preparing such catalysts. The catalysts are prepared from a catalyst precursor comprised of at least one Group VIII metal and a ... | 05/26/2009 |
| 7442669 | Oxidation catalysts comprising metal exchanged hexaaluminate wherein the metal is Sr, Pd, La, and/or Mn The present invention provides metal-exchanged hexaaluminate catalysts that exhibit good catalytic activity and/or stability at high temperatures for extended periods with retention of activity as combustion catalysts, and more generally as oxidation catalysts, that... | 10/28/2008 |
| 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 |
| 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 |
| 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 |
| 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 copper (component (3)) and at least one element selected from the gro... | 04/29/2008 |
| 7361626 | Supported catalyst The present invention relates to a Catalyst comprising a, preferably oxidic, core material, a shell of zinc oxide around said core material, and a catalytically active material in or on the shell, based on one or more of the metals cobalt, iron, ruthenium and/or nic... | 04/22/2008 |
| 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 |
| 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 |
| 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 |
| 7338549 | Oxygen sorbent compositions and methods of using same Compositions and methods useful for oxygen sorption and other uses are presented, the compositions A composite material comprising components (A) and (B), wherein component (A) is selected from crystalline ceramic materials capable of forming a stable, reversible pe... | 03/04/2008 |
| 7338917 | Purification catalyst for exhaust gas A purification catalyst for exhaust gas enhances the activity for each precious metal by effectively utilizing the precious metal without incurring a high production cost, thereby improving endurance. The purification catalyst for exhaust gas comprises a composite o... | 03/04/2008 |
| 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/Ce1−xZrcBbB′b′B″b″O2−δ wherein n is a percentage from 0 ... | 02/12/2008 |
| 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 stability. The perovskite structure [AzA′1-z][B1... | 02/12/2008 |
| 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 aluminum, alkali metals and alkaline earth metals and precious metals and ... | 02/12/2008 |
| 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 |
| 7319156 | Process for producing olefin oxide There is disclosed a process for producing an olefin oxide, which is characterized by reacting an olefin with oxygen in the presence of a silver catalyst and 0.2 mole or more of water per mol of the olefin. ... | 01/15/2008 |
| 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 |
| 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 |
| 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 |
| 7291781 | Complex oxide having n-type thermoelectric characteristics The present invention provides a complex oxide having a composition represented by the formula La1−xMxNiO2.7−3.3 or (La1−xMx)2NiO3.6−4.4 (wherein M is at least one element selected ... | 11/06/2007 |
| 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 catalyst and at least one second NOx storage component not being an alk... | 10/30/2007 |
