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| Number | Title | Issue Date |
| 8105975 | Method and device for catchment of platinum group metals in a gas stream This invention relates to a method and device for catchment of platinum group metals (PGM) in a gaseous stream, where the method comprises using a catalyst comprising a porous ceramic body in which at least a part of the surface area is covered by one or more PGM-ca... | 01/31/2012 |
| 8080495 | Diesel oxidation catalysts A catalyst composition comprises a particulate support and catalyst nanoparticles on the particulate support. The catalyst nanoparticles comprise an alloy of platinum and palladium in an atomic ratio of from about 25:75 to about 75:25 and are present in a concentrat... | 12/20/2011 |
| 8012905 | Process for preparing platinum based electrode catalyst for use in direct methanol fuel cell A method for preparing platinum (Pt) based nano-size catalyst which is useful as an electrode catalyst of a direct methanol fuel cell (DMFC). This method includes the implementation of a reduction reaction of a platinum precursor and an optional ad-metal precursor w... | 09/06/2011 |
| 7994091 | Method for producing palladium-containing catalyst Disclosed is a palladium-containing catalyst for producing an α, β-unsaturated carboxylic acid from an olefin or an α, β-unsaturated aldehyde in high productivity. Also disclosed are a method for producing such a catalyst, and a method for producing an α, β-un... | 08/09/2011 |
| 7875573 | Pt-Pd diesel oxidation catalyst with CO/HC light-off and HC storage function The present invention is directed to a diesel oxidation catalyst for the treatment of exhaust gas emissions, such as the oxidation of unburned hydrocarbons (HC), and carbon monoxide (CO) and the reduction of nitrogen oxides (NOx). More particularly, the present inve... | 01/25/2011 |
| 7851406 | Nano-sized palladium-doped cation exchange resin catalyst, preparation method thereof and method of removing dissolved oxygen in water using the same Disclosed are a nano-sized palladium-doped anion exchange resin catalyst or palladium-doped cation exchange resin catalyst, a preparation method thereof and a method of removing dissolved oxygen in water using the same. The palladium-doped anion exchange resin catal... | 12/14/2010 |
| 7829496 | Process for preparing platinum based electrode catalyst for use in direct methanol fuel cell The present invention discloses a method for preparing platinum (Pt) based nano-size catalyst which is useful as an electrode catalyst of a direct methanol fuel cell (DMFC). This method includes the implementation of a reduction reaction of a platinum precursor and ... | 11/09/2010 |
| 7781367 | Exhaust gas cleaning catalyst and process for producing the same The present invention relates to an exhaust gas cleaning catalyst, and aiming at providing a catalyst which has a higher catalytic activity than that of conventional catalysts and, in particular, a strong ability to oxidize nitrogen monoxide. The present invention r... | 08/24/2010 |
| 7772151 | Zone catalyzed soot filter A catalyzed soot filter is comprised of a monolithic ceramic honeycomb body that has a catalyzed inlet zone that has a catalyst within the walls of the ceramic honeycomb inlet end to at most about 45% of the length of the catalyzed soot filter. The catalyzed inlet z... | 08/10/2010 |
| 7759283 | Catalyst for purifying exhaust gas To improve a CO conversion in stoichiometry-lean atmosphere, and additionally to prevent the rise of pressure loss. A catalytic coating layer 2 is constituted of a lower layer 20 including an oxygen storage capacity material and an upper layer | 07/20/2010 |
| 7745373 | Single step decomposition and activation of noble metal complexes on catalytic supports The present invention is a method to activate a noble metal complex dispersed on a catalyst support comprising calcining in hydrogen in order to decompose and reduce the noble metal complex in a single step. In a preferred embodiment, the noble metal catalyst is a c... | 06/29/2010 |
| 7741242 | Palladium catalyst composition The present invention discloses 1) a catalyst composition consisting of a crosslinked organic polymer compound and a palladium catalyst, wherein said catalyst is physically carried on said crosslinked organic polymer compound, 2) a manufacturing method of the above ... | 06/22/2010 |
| 7741243 | Production method of catalyst layer Provided is a production method of a catalyst layer which is improved in catalyst activity and catalyst utilization efficiency. The method of producing a catalyst layer includes the steps of forming a first layer including a catalyst precursor on a substrate by a va... | 06/22/2010 |
| 7691780 | Platinum- and platinum alloy-coated palladium and palladium alloy particles and uses thereof The present invention relates to particle and nanoparticle composites useful as oxygen-reduction electrocatalysts. The particle composites are composed of a palladium or palladium-alloy particle or nanoparticle substrate coated with an atomic submonolayer, monolayer... | 04/06/2010 |
| 7670988 | Nanostructured anode PT-RU electrocatalysts for direct methanol fuel cells An aerosol-assisted method for synthesis of nanostructured metallic electrocatalysts and the electrocatalysts formed thereby. The electrocatalyst may be formed from metals such as, but not limited to, platinum, platinum group metals, and binary and tertiary composit... | 03/02/2010 |
| 7642217 | Pt/Ru alloy catalyst for fuel cell A platinum (Pt)/ruthenium (Ru) alloy catalyst, highly resistant to CO poisoning, having a lattice constant of 3.856-3.885 Å and a particle size of 2-5 nm, and supported on a carrier. The Pt/Ru alloy catalyst is highly resistant to CO poisoning, thereby allowing fo... | 01/05/2010 |
| 7622420 | Catalyst composition for preparing hydroxylamine This invention provides a catalyst composition for preparing hydroxylamine, which comprises palladium, a platinum compound, a germanium compound and a carrier, wherein a halogen concentration of the composition is no more than 10 ppm. The catalyst composition is pre... | 11/24/2009 |
| 7579298 | Catalyst, electrode for fuel electrode in fuel cell, and fuel cell Catalysts contain noble metal-containing particles that has a composition except oxygen represented by a formula PtXRuYAZSnS and exhibits a mean particle diameter of from 0.5 nm to 10 nm, both inclusively. A is at least on... | 08/25/2009 |
| 7576031 | Pt-Pd diesel oxidation catalyst with CO/HC light-off and HC storage function The present invention is directed to a diesel oxidation catalyst for the treatment of exhaust gas emissions, such as the oxidation of unburned hydrocarbons (HC), and carbon monoxide (CO) and the reduction of nitrogen oxides (NOx). More particularly, the present inve... | 08/18/2009 |
| 7566681 | Platinum based nano-size catalysts The synthesis of Pt and PtRu and other Pt based nano-particles that catalyze the electrochemical oxidation of methanol, carbon monoxide and hydrogen, as well as oxygen reduction, is described. The Pt based catalysts are synthesized in solution forming particles of 0... | 07/28/2009 |
| 7431904 | Catalyst support material, catalysts prepared therefrom and process for the treatment of a flue gas The present invention relates to a catalyst support material and catalysts made therefrom having improved resistance towards erosion. The catalyst support contains at least 20% by weight of TiO2 being present mainly in the anatase form. Furthermore... | 10/07/2008 |
| 7425647 | Process for preparing a group V111-metal containing catalyst, use thereof for preparing an alkenyl carboxylate A process for preparing a catalyst by (a) selecting a carrier which is a silica based carrier which has been subjected to a series of washings with one or more aqueous liquids consisting of aqueous liquids which have a pH of least ... | 09/16/2008 |
| 7419928 | Fischer-Tropsch catalyst production A process for enhancing the activity of a catalyst metal particulate for hydrogenation reactions comprising calcining the particulate in an oxidant-containing atmosphere to partially oxidize it thereby forming a porous layer of oxides thereon, treating with an solut... | 09/02/2008 |
| 7410626 | Layered ammonia oxidation catalyst The invention pertains to a layered ammonia oxidation catalyst. The layered catalyst causes ammonia to be selectively oxidized in the presence of an oxidant such as air, while minimizing the formation of nitrogen oxides (NOx). The layered catalyst compris... | 08/12/2008 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7384986 | Process for the selective methanation of carbonmonoxide (CO) contained in a hydrogen-rich reformate gas The present invention provides a methanation catalyst prepared by depositing Pt and Ru on a metal oxide carrier by incipient wetness impregnation or precipitation deposition, drying and calcining the deposited carrier to obtain a Pt—Ru/metal oxide catalyst. This c... | 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 |
| 7381683 | Method of producing multi-component catalysts Supported catalysts are produced with nanometer sized particles comprised of different metals dispersed throughout the catalyst support material. The supported catalysts reduce substantially or completely the amount of platinum that is required without sacrificing c... | 06/03/2008 |
| 7381682 | Method for producing heterogeneous catalysts containing metal nanoparticles A method for producing highly dispersed catalysts is disclosed. The method includes contacting a support material with a solvent for a period of time, adding a metal salt to the solvent and support mixture, and then adding a reducing agent to the solution to reduce ... | 06/03/2008 |
| 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 |
| 7378368 | Catalyst for reforming hydrocarbon and method for preparation thereof, and process for reforming hydrocarbon using said catalyst The present invention relates to a catalyst for reforming a hydrocarbon comprising a carrier containing manganese oxide and carried thereon (a) at least one component selected from a ruthenium component, a platinum component, a rhodium component, a palladium compone... | 05/27/2008 |
| 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 |
| 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 |
| 7371358 | Catalyst for treatment and control of post-combustion emissions The present invention utilizes two precious metals with two to five different metal-oxides in a layered matrix to convert CO, HCs, and NOx to CO2, and N2 by oxidation of two components and reduction of the other in a moderately high temperature... | 05/13/2008 |
