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| Number | Title | Issue Date |
| 7438887 | Manganese oxide nanowires, films, and membranes and methods of making Nanowires, films, and membranes comprising ordered porous manganese oxide-based octahedral molecular sieves, and methods of making, are disclosed. A single crystal ultra-long nanowire includes an ordered porous manganese oxide-based octahedral molecular sieve, and h... | 10/21/2008 |
| 7427580 | Spinel based high temperature shift catalysts A method is described for producing a high temperature shift catalyst, not requiring a reduction step prior to use, by precipitating a composition containing divalent and trivalent iron compounds and a modifier metal selected from trivalent chromium and/or manganese... | 09/23/2008 |
| 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 |
| 7259124 | Hydrogen storage composite and preparation thereof The present invention discloses a hydrogen storage medium including a composite of an alloy and a catalyst/expandable graphite. The expandable graphite can be replaced by activated carbon. The catalyst content is 1-50% based on the weight of the medium, which can be... | 08/21/2007 |
| 7247598 | Nano-scale magnetic solid base catalyst and its preparation method This invention describes a nano-scale magnetic solid base catalyst and its preparation method. The catalyst involves a magnetic core coated with a solid base active layer. The synthesis of the nano-scale magnetic cores was first carried out using a rapid nucleation ... | 07/24/2007 |
| 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 |
| 6919296 | Catalyst for the selective oxidation of sulfur compounds to elemental sulfur The invention provides a catalyst, a method for making the catalyst and a method for using the catalyst to promote the selective oxidation of hydrogen sulfide into elemental sulfur. The catalyst may be prepared by contacting a catalyst support, such as silica, with ... | 07/19/2005 |
| 6696389 | Process and apparatus for cleaning a gas flow The invention relates to a method and a device for cleaning flowing gases. To reduce the total emissions, nitrogen oxides, especially NO and NOx, are extracted at least partially from the gas to be scrubbed, in the temperature range from 50 and 300° C., ... | 02/24/2004 |
| 6641626 | Mixed ionic and electronic conducting ceramic membranes for hydrocarbon processing The invention relates to mixed phase materials for the preparation of catalytic membranes which exhibit ionic and electronic conduction and which exhibit improved mechanical strength compared to single phase ionic and electronic conducting materials. The ... | 11/04/2003 |
| 6607704 | Sulfur tolerant lean NOx trap An integrated lean NOx trap. The integrated lean NOx trap includes a lean NOx trap containing a composite metal oxide mixture consisting essentially of about 80-100 wt % stoichiometric spinel MgAl2 O4... | 08/19/2003 |
| 6607678 | Catalyst and method of steam reforming The present invention provides a method of steam reforming a hydrocarbon over a spinel-containing catalyst at short residence times or short contact times. The present invention also provides spinel-containing catalysts. Surprisingly superior results and ... | 08/19/2003 |
| 6524996 | Spinel monolith catalyst and preparation thereof The spinel monolith catalyst is obtainable by a) preparing or coating a molding, especially a monolith, with an at least surfacial active composition comprising a spinel of the general formula (I) Ax B.sub.(1-x) E2 O4 (I) whe... | 02/25/2003 |
| 6416731 | Process for catalytical steam reforming of a hydrocarbon feedstock Process for catalytic steam reforming of a carbonaceous feedstock with improved resistance to sulphur poisoning and sintering characterized by contacting the feedstock with a nickel catalyst supported on magnesium aluminum spinel, MgO.multidot.xAl2 | 07/09/2002 |
| 6395244 | Storage catalyst A storage catalyst includes (1) a component that has a catalytic reducing action for nitrogen oxides at least in the presence of hydrocarbons, and (2) a component that stores NOx at least at temperatures of below 100° C. The catalytically active componen... | 05/28/2002 |
| 6372688 | Catalyst for purifying an exhaust gas and process for producing the same A catalyst for purifying an exhaust gas includes a composite oxide support and a platinum structural layer. The composite oxide support has a spinel structure expressed by M.Al2 O4 in which M is an alkaline-earth metal. The platinum ... | 04/16/2002 |
| 6369000 | Process for producing a metal aluminate catalyst support A process of making a metal aluminate catalyst support by incorporating, preferably impregnating, alumina, preferably gamma alumina, with a metal component to thereby provide a metal-incorporated alumina which is then calcined under a calcining condition ... | 04/09/2002 |
| 6218335 | Spinel type compound oxide and method of manufacturing the same A porous spinel type oxide shows a large surface area and a uniform micro-porous structure. The oxide is expressed by general formula MO--Al2 O3 and shows a surface area per unit weight of not less than 80 m2 /g. Such a po... | 04/17/2001 |
| 6172000 | Diesel catalyst made from a mixture of particles: platinum on alumina and manganese-zirconium oxide The invention is a method for treating diesel exhaust gases, i.e., in an oxidizing atmosphere, with a catalyst which has a broadened operating temperature window at higher temperatures. It is a mixture of particles comprising platinum/alumina and a bi-met... | 01/09/2001 |
| 6165932 | Transition metal oxides useful in fabrication of NOx absorbent formulations The invention is a sol-gel processed metal-aluminum based oxide material useful as a catalyst including a NOx trapping catalyst. It is made from alkoxides comprising heterometallic alkoxides. The metal is transition metal, one or both of alkali metal and ... | 12/26/2000 |
| 6153161 | Process for reducing NOx from exhaust fumes NOx, where x is 1 and 2, in exhaust gases is reduced over heterogeneous catalysts with hydrocarbons, carbon monoxide, hydrogen or mixtures thereof in the presence of oxygen from 100 to 650° C. and an absolute pressure of from 0.5 to 50 bar by ... | 11/28/2000 |
| 6153162 | Method for the reduction of nitrogen oxides A process for the catalytic reduction of NOx, the reduction taking place in the presence of a catalyst which comprises (a) from 20 to 97 wt % of A2 O3, (b) from 1 to 40 wt % of CuO, (c) from 1 to 50 wt % of ZnO, (d) from 1 to 40 wt ... | 11/28/2000 |
| 6153555 | Single phase metal-alumina materials including alkali metals made from heteromatallic alkoxides This invention is a single phase metal alumina material made by sol-gel techniques from certain heterometallic alkoxides which include aluminum and at least alkali metals, and optionally alkaline earth metals and lanthanide.... | 11/28/2000 |
| 6107239 | Heat resistant metallic oxide catalyst for reducing pollution emission The present invention discloses an exhaust gas catalyst for reducing the pollutant release containing in the exhaust gas. The catalyst includes a primary-core support carrier composed of gamma-phase aluminum oxide. The core-carrier is coated with Y2 | 08/22/2000 |
| 6051163 | Catalyst for steam-reforming methanol In a process for steam-reforming methanol, in which methanol and water are reacted at a catalyst with formation of hydrogen, the catalyst used can be prepared by (a) precipitating a solution of zinc salts and aluminum salts, the atomic ratio of Zn:Al bein... | 04/18/2000 |
| 6046130 | Catalyst and side-chain alkylation therewith The catalyst comprising at least one alkali metal on a spinel or inverse spinel as carrier may be doped with at least one compound of an alkali metal and/or alkaline earth metal, where the alkali metal/carrier ratio by weight is from 0.01 to 5 and, when a... | 04/04/2000 |
| 5965099 | Catalyst and a method for its production and use of same A catalyst and a method for producing the catalyst, for catalytic reduction of NOx and oxidation of hydrocarbons, the catalyst comprises a zinc, copper and aluminum spinel to which, at least one element selected from palladium, platinum, rhodiu... | 10/12/1999 |
| 5900385 | Nickel--containing compounds useful as electrodes and method for preparing same A compound having the formula Liq Crx-y Niy Mn2-x O4+z where qࣙ2, 1.0ࣘxࣘ1.25, 0 | 05/04/1999 |
| 5885917 | Porous lithium aluminate carrier of spinel structure for catalyst A porous lithium aluminate carrier for catalyst has a spinel structure which has a mean pore diameter in the range of 40 to 1,000 angstroms and a total pore volume in the range of 0.2 to 1.5 mL/g. The porous lithium aluminate carrier can be used for suppo... | 03/23/1999 |
| 5883041 | Composite catalyst for purifying exhaust gases from carbon monoxide and organic compounds A composite active phase/support catalyst for purifying exhaust gases, the active phase of which comprises a solid solution of transition metals oxides with a spinel structure of the formula AB2 O4 wherein "A" comprises a combination... | 03/16/1999 |
| 5876681 | Spinel-based catalysts for reducing exhaust emissions of NOx Oxygen-rich exhaust gases, for example those emanating from internal combustion engines, e.g., diesel engines, are catalytically treated/converted to reduce emissions of NOx, in the presence of a catalytically effective amount of a spinel mass ... | 03/02/1999 |
| 5736114 | Spinel-based catalysts for reducing exhaust emissions of NOx Oxygen-rich exhaust gases, for example those emanating from internal combustion engines, e.g., diesel engines, are catalytically treated/converted to reduce emissions of NOx, in the presence of a catalytically effective amount of either (a) a s... | 04/07/1998 |
| 5580534 | Zeolite-spinel catalyst for the reduction of nitrogen oxides and the process thereof The invention provides a catalyst, and a process for preparing the same, for the catalytic reduction of NOx and for the oxidation of hydrocarbons. The catalyst contains a copper oxide-zinc oxide-aluminum oxide spinel and a zeolitic support mate... | 12/03/1996 |
| 5565181 | FCC NOx reduction using a perovskit-type additive The NOx content of FCC regenerator flue gas is reduced using a spinel/perovskite additive which maintains activity during FCC operation in the presence of high levels of sulfur oxides and oxygen. Additionally, a stabilization component may be added to enh... | 10/15/1996 |
| 5545604 | Processes for reacting bastnaesite with alkaline-earth metals Bastnaesite and magnesium-containing materials can be chemically reacted by use of reactions wherein alumina is made into a sol by use of a mono-protonic acid and then reacted with a magnesium-containing ingredient (e.g., magnesium acetate) and a bastnaes... | 08/13/1996 |
| 5536695 | Dehydrogenation catalysts for C3 C20 parafrins, and preparation thereof The invention concerns a catalyst containing a support comprising at least one metal from group VIII of the periodic classification of elements such as platinum, palladium, ruthenium, rhodium, nickel, osmium or iridium, at least one additional metal selec... | 07/16/1996 |
| 5492883 | Molecular sieve structures using aqueous emulsions The invention relates to the use of aqueous emulsions of silicone resins in forming cellular zeolite substrates which can be dried rapidly without incurring blistering while still exhibiting good strength and zeolite activity.... | 02/20/1996 |
| 5364517 | Perovskite-spinel FCC NOx reduction additive The NOx content of FCC regenerator flue gas is reduced using a spinel/perovskite additive which maintains activity during FCC operation in the presence of high levels of sulfur oxides and oxygen. Additionally, a stabilization component may be added to enh... | 11/15/1994 |
| 5258347 | Process of oxidizing aliphatic hydrocarbons employing a molybdate catalyst composition A process for the production of olefins and diolefins, such as 1,3-butadiene, comprising contacting an aliphatic hydrocarbon, such as butane, with a heterogeneous catalyst composition containing reactive oxygen under reaction conditions such that a more h... | 11/02/1993 |
| 5238898 | Catalyst and process for upgrading methane to higher hydrocarbons There is provided a catalyst and a process for the direct partial oxidation of methane with oxygen, whereby hydrocarbons having at least two carbon atoms are produced. The catalyst used in this reaction is a spinel oxide, such as MgMn2 O4 | 08/24/1993 |
| 5219816 | Dehydrogenation catalysts and process for preparing the catalysts A supported catalyst and a method of making a supported catalyst useful in the dehydrogenation of light paraffins. This catalyst comprises 0.3 to 5 wt. % Ga and 0.1 to 5 wt. % Pt on a spinel type support material characterized by the formula Mgx | 06/15/1993 |
