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| Number | Title | Issue Date |
| 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 separation of the 3d orbital of palladium in X-ray photoelectron spectroscopy... | 06/10/2008 |
| 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 |
| 7361625 | Photocatalyst producing method, photocatalyst, and gas purifier A carrier supporting titania thereon is further caused to carry a metal compound thereon. This metal compound is hydrogen reduced in a heating atmosphere at a first treatment temperature, then oxidized in a heating atmosphere at a second treatment temperature not hi... | 04/22/2008 |
| 7306771 | Filter catalyst for purifying exhaust gases and its manufacturing method thereof A filter catalyst for purifying exhaust gases having a catalytic layer comprising the first catalyst support 2 having an average particle diameter of 1 μm or less, the second catalyst support 3 having an average particle diameter from 1/20 to ½ of th... | 12/11/2007 |
| 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 apparatus and method using the catalyst. The catalyst for a partial oxidat... | 09/18/2007 |
| 7238640 | Minimization of purge NOrelease from NOtraps by optimizing the oxygen storage capacity The present invention provides a catalyst for use in a NOx trap that has reduced NOx release during rich purges, increased NO conversion efficiency under stoichiometric conditions, and improved sulfur tolerance. The catalyst of this embodiment ... | 07/03/2007 |
| 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 Al2O3 on which a noble metal is carried, an oxygen storage agent on which Rh is carried, Al2O3... | 06/26/2007 |
| 7220702 | Exhaust gas purification catalyst A noble metal and an NOx sorption member are loaded on a support which includes composite particles having a structure including a core portion in which ZrO2 is a major component and a superficial portion formed on a surface of the core portion... | 05/22/2007 |
| 7220699 | Catalyst incorporation in a microreactor A method and device for loading a catalyst into a chamber. The catalyst loading is well suited for production of hydrogen producing microreactors. The catalyst is coated onto a strip which is mountable within the chamber. ... | 05/22/2007 |
| 7205257 | Catalyst for clarifying exhaust gas To provide an exhaust gas purifying catalyst which can maintain the catalytic activity at a high level over a long time and can achieve satisfactory emission control performance, an exhaust gas purifying catalyst is prepared so as to contain a noble metal, a perovsk... | 04/17/2007 |
| 7183236 | Ceramic catalyst body An object of the present invention is to realize low pressure loss and high purification performance in a constitution in which a primary catalyst component and co-catalyst component are loaded onto a ceramic support that allows catalyst components to be loaded dire... | 02/27/2007 |
| 7166557 | Process for the preparation of a microspheroidal catalyst Process for preparing a catalyst active for the fluid bed acetoxylation of ethylene to produce vinyl acetate. The process comprises the steps of (a) impregnating microspheroidal silica support particles by the incipient wetness technique with an aqueous solution of ... | 01/23/2007 |
| 7151067 | Porcelain composition, composite material comprising catalyst and ceramic, film reactor, method for producing synthetic gas, apparatus for producing synthetic gas and method for activating catalyst A porous catalyst layer containing mixed conducting oxide having substantially a perovskite structure and containing a first element selected from Co and Fe, and a second element selected from In, Sn and Y arranged in the B site in the perovskite structure is contig... | 12/19/2006 |
| 7138358 | Catalyzed diesel particulate matter filter with improved thermal stability A catalyzed diesel particulate matter exhaust filter with improved diesel particulate matter oxidation activity and thermal stability including a porous filter substrate for filtering the diesel particulate matter washcoated with high surface area support alumina, t... | 11/21/2006 |
| 7097933 | Catalyst for fuel cell oxygen electrodes A catalyst having catalytically active material supported on a carrier matrix. The catalytically active material may be a mixed-valence, nanoclustered oxide(s), an organometallic material or a combination thereof. The supported catalytic material is particularly use... | 08/29/2006 |
| 7081430 | Exhaust gas purifying catalyst An exhaust gas purifying catalyst that provides the excellent low-temperature activity and also develops the good catalytic activity of rhodium to produce a good purifying performance economically. The exhaust gas purifying catalyst comprises an alumina on which rho... | 07/25/2006 |
| 7056859 | Catalyst for purifying exhaust gases A catalyst for purifying exhaust gases which can suppress an active ingredient, such as an alkali metal, which reacts with a substrate from moving to the substrate, thereby preventing a decrease in strength such as thermal shock resistance of the substrate. In produ... | 06/06/2006 |
| 7045486 | Catalyst structure and method of fischer-tropsch synthesis The present invention includes a catalyst structure and method of making the catalyst structure for Fischer-Tropsch synthesis that both rely upon the catalyst structure having a first porous structure with a first pore surface area and a first pore size of at least ... | 05/16/2006 |
| 6967186 | Exhaust gas purifying catalyst An exhaust gas purifying catalyst including a carrier having a plurality of cells as exhaust gas passages, an HC adsorbent layer formed on the carrier of each of the cells, and an upper catalyst layer disposed on an upstream side of each of the exhaust gas passages ... | 11/22/2005 |
| 6930073 | NiO catalyst configurations, methods for making NOx adsorbers, and methods for reducing emissions In one embodiment, a catalyst configuration, comprises: a substrate, a NiO layer disposed on the substrate, wherein the NiO layer comprises greater than or equal to about 75 wt % of the NiO in the catalyst configuration; and a catalyst layer comprising a NOx adsorbi... | 08/16/2005 |
| 6927191 | Oxidation catalyst An inside layer including zeolite and an outside layer including alumina and Pd are formed in a layered shape on a carrier, and Ag and Bi are simultaneously allowed to be carried on the inside and outside layers through impregnation. Thus, production of an alloy thr... | 08/09/2005 |
| 6921738 | Catalytic metal plate The present invention is directed to a catalyzed metallic substrate, such as a metal plate. There is a catalyst layer supported on the substrate surface. The article is useful as part of exhaust systems which can be used with small engines for applications such as m... | 07/26/2005 |
| 6896857 | Exhaust gas purifying catalyst and method for manufacturing the same An exhaust gas purifying catalyst comprises a powder including a porous material having a specific surface area of 150 m2/g or more, cerium and platinum. Cerium and Platinum are loaded on the porous material. The powder has platinum dispersion of 70% or m... | 05/24/2005 |
| 6825145 | Exhaust gas purifying catalyst The present invention provides an exhaust gas purifying catalyst that is capable of substantially reducing the degree of deterioration in an exhaust gas purifying capability, which results from dissipation of an absorbent agent. Accordingly, an exhaust gas purifying... | 11/30/2004 |
| 6806382 | Catalyst composition and process for making same A process for preparing a supported metal catalyst composition which comprises impregnating microspheroidal support particles with a solution of at least one catalytically active metal, or precursor, drying the impregnated support particles and then treating the mob... | 10/19/2004 |
| 6790808 | Exhaust gas purifying catalyst In an exhaust gas purifying catalyst, an acid material with a high affinity with respect to an absorbing agent is dispersed and mixed in a catalyst layer, to which the absorbing agent is added, or a layer of the acid material is formed inside the catalyst layer in o... | 09/14/2004 |
| 6770590 | Exhaust gas emission purifying catalyst An exhaust gas emission purifying catalyst has a catalyst layer (20) supported on a carrier (10). The catalyst layer includes a composite oxide, in which noble metals and occluding agents are mixed in order to inhibit the movement of the occluding agen... | 08/03/2004 |
| 6762149 | Catalyst, method of making, and reactions using the catalyst The present invention includes a catalyst having a layered structure with, (1) a porous support, (2) a buffer layer, (3) an interfacial layer, and optionally (4) a catalyst layer. The invention also provides a process in which a reactant is converted to a product by... | 07/13/2004 |
| 6649563 | Ceramic carrier and ceramic catalyst body A ceramic carrier and ceramic catalyst body used as NOx purification catalysts for lean burn engines, which are inexpensive, exhibit high temperature durability and can maintain their catalytic function for extended periods. The ceramic carrier... | 11/18/2003 |
| 6645439 | Exhaust gas clean-up catalyst Exhaust gas clean-up catalysts that contain one or two or more noble metals chosen from the group platinum (Pt), rhodium (Rh), ruthenium (Ru), Iridium (Ir), osmium (Os) and other noble metals, and at least one of tungsten (W) metal or tungsten oxide and, ... | 11/11/2003 |
| 6613295 | Carrier supporting mat for exhaust converter A carrier supporting mat for exhaust converter for supporting a catalyst carrier is structured in having heat insulating mat members on an inner side as to direct contact with the catalyst carrier, an expansible mat member including a vermiculite on an ou... | 09/02/2003 |
| 6541419 | Process for reduction of gaseous sulfur compounds A sulfur sorber for the reduction of gaseous sulfur compounds, e.g., H2 S, in a gas stream The sulfur sorber, e.g., zinc oxide, is present in the form of one or more layers on the surface of a monolith carrier, e.g., cordierite. The layers have... | 04/01/2003 |
| 6537946 | Exhaust gas purifying catalyst In an exhaust gas purifying catalyst, an acid material with a high affinity with respect to an absorbing agent is dispersed and mixed in a catalyst layer, to which the absorbing agent is added, or a layer of the acid material is formed inside the catalyst... | 03/25/2003 |
| 6534438 | Catalyst composition Composition and process for making same in which the composition includes support particles having at least one catalytically active metal or precursor thereof distributed therein in a layer below the surface of the particle. The layer is located between ... | 03/18/2003 |
| 6528453 | Process for making a catalyst composition A process for preparing a supported metal catalyst composition which comprises impregnating microspheroidal support particles with a solution of at least one catalytically active metal, or precursor, drying the impregnated support particles and then treat... | 03/04/2003 |
| 6491985 | Method for enhancing the surface of a metal substrate A method of treating the surface of a substrate by thermally spraying large size particles, >10 micrometers, of a composition such as a metal hydroxide, carbonate, or nitrate directly onto the substrate whereby a small size particle coating, | 12/10/2002 |
| 6479428 | Long life hydrocarbon conversion catalyst and method of making The present invention includes a catalyst that has at least four layers, (1) porous support, (2) buffer layer, (3) interfacial layer, and optionally (4) catalyst layer. The buffer layer provides a transition of thermal expansion coefficient from the porou... | 11/12/2002 |
| 6465388 | Process for forming a film with photocatalytic function A photocatalytic film is formed by: a step for forming an uncured underlayer from an organic composition on the surface of a resinous base and polymerizing the organic composition to convert the uncured underlayer into an underlayer having a hardness high... | 10/15/2002 |
| 6440895 | Catalyst, method of making, and reactions using the catalyst The present invention includes a catalyst having a layered structure with, (1) a porous support, (2) a buffer layer, (3) an interfacial layer, and optionally (4) a catalyst layer. The invention also provides a process in which a reactant is converted to a... | 08/27/2002 |
| 6426316 | Exhaust emission control catalyst for diesel engines An exhaust purification catalyst for a compression ignition engine comprises a carrier substrate and a metal-carrying layer which carries catalytic metal formed on the surface of the carrier substrate, and is characterized in that a diffusion restriction ... | 07/30/2002 |
