Class 502/251 - Magnesium

Subclass of Class 502 - Catalyst, solid sorbent, or support therefor: product or process of making
Definition: Composition which contains magnesium, magnesium oxide or
No. of patents: 122
Last issue date: 05/05/2009

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Number	Title	Issue Date
7528092	Nickel catalyst for hydrogenation reactions The present invention relates to a catalyst nickel, silica, alumina and magnesium, wherein the nickel to magnesium atomic ratio is 5-75. In particular the present invention relates to a catalyst comprising nickel, silica, alumina and magnesium, wherein the nickel to...	05/05/2009
7357912	Method of catalytic decomposition of water A method of catalytically decomposing water, which comprises contacting water with a composite catalyst comprising a solid acid catalyst and a solid base catalyst at an elevated temperature, wherein the composite catalyst contains the solid acid catalyst in an amoun...	04/15/2008
7358210	Ceramic body and ceramic catalyst body A ceramic body that can support a required amount of catalyst component, without lowering the characteristics such as strength, manufactured without forming a coating layer and providing a high performance ceramic catalyst body that is excellent in practical utility...	04/15/2008
7323100	Combination of amorphous materials for hydrocracking catalysts An amorphous support, methods for making the same and methods of using, particularly in hydrocracking. A method of making may comprise mixing a first amorphous material and a second amorphous material of different acidities to form a mixture, and treating by either ...	01/29/2008
7294604	Hydrogenation and dehydrogenation processes and catalysts therefor A process for hydrogenating unsaturations in petrochemical feedstocks, the process comprising contacting the petrochemical feedstock, including at least one component having unsaturations, and hydrogen with a catalyst comprising at least one Group Ia, Ib, IIb, VIb, ...	11/13/2007
7265184	Polymer hydrogenation process A process for hydrogenating unsaturations in polymers, the process comprising contacting at least one polymer having unsaturations with a catalyst comprising at least one Group Ia, Ib, IIb, VIb, VIIb or VIII metal on a support of an alkaline earth metal silicate hav...	09/04/2007
7226884	Composite for catalytic distillation and its preparation The present invention relates to a composite for catalytic distillation, comprising a substrate material, and a modifying material and an active material, wherein said substrate material is made of porous materials, said modified material comprises at least one meta...	06/05/2007
7223716	Ceramic support capable of supporting a catalyst, a catalyst-ceramic body and processes for producing same A ceramic support capable of supporting a catalyst comprising a ceramic body having fine pores with a diameter or width up to 1000 times the ion diameter of a catalyst component to be supported on the surface of the ceramic body, the number of the fine pores being n...	05/29/2007
7214642	Methods of preparing active chromium/alumina catalysts via treatment with sulfate Methods of preparing a polymerization catalyst are provided that include contacting a support comprising alumina with a sulfating agent and with chromium. In an embodiment in which the chromium is provided from a chromium compound such as chromium oxide, the support...	05/08/2007
7211540	Ceramic support This invention is directed to providing a high-performance ceramic support being capable of realizing early activation of a catalyst due to direct loading while maintaining the excellent properties of the substrate ceramic, and being less susceptible to heat deterio...	05/01/2007
7199079	Purification catalyst for exhaust gas, production method therefor, and purification catalyst device for automobile exhaust gas A purification catalyst for exhaust gas enhances the activities of the precious metals, preventing decrease of activities at high temperature, and exhibiting a satisfactory performance during operation. In the purification catalyst of the present invention, Pd is su...	04/03/2007
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
7094730	Gas treatment device, methods for making and using the same, and a vehicle exhaust system Gas treatment devices and vehicle exhaust systems are disclosed herein. In one embodiment, the vehicle exhaust system, comprises: an engine, a gas treatment device disposed downstream from the engine, the gas treatment device comprising a housing, a substrate dispos...	08/22/2006
7030055	NOreduction compositions for use in FCC processes Compositions for reduction of gas phase reduced nitrogen species and NOx generated during a partial or incomplete combustion catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise (i) an acidic...	04/18/2006
7022644	Hydrogen sulfide-suppressing catalyst compositions Hydrogen sulfide formation is suppressed by a three-way conversion catalyst having an underlayer and a topcoat overlying the under layer. The under layer is prepared by dispersing a Group IIa metal oxide such as an oxide of magnesium, calcium, barium or strontium on...	04/04/2006
6989343	Granular photocatalytic material, functional restoration method therefor, and apparatus for decomposing and removing toxic organic matter using the same A granular photocatalytic material in the form of pellets or tablet is produced by compressing a photocatalyst mixture containing photocatalytic particles and a filler in air, a vacuum, or an inert gas at a temperature of 0 to 200° C., a pressure of 500 to 6000 kg/...	01/24/2006
6964936	Method of making maximally dispersed heterogeneous catalysts A method of making a catalyst with monolayer or sub-monolayer metal by controlling the wetting characteristics on the support surface and increasing the adhesion between the catalytic metal and an oxide layer. There are two methods that have been demonstrated by exp...	11/15/2005
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
6908879	Ceramic article, carrier for catalyst, methods for production thereof, catalyst for producing ethylene oxide using the carrier, and method for producing ethylene oxide A ceramic article is disclosed which contains aluminum, silicon, and titanium in a total amount of at least 99% by weight as reduced to the oxides (Al2O3+SiO2+TiO2) and assumes an acidic color in methyl red, an indicator o...	06/21/2005
6881390	NOx reduction compositions for use in FCC processes Compositions for reduction of gas phase reduced nitrogen species and NOx generated during a partial or incomplete combustion catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise (i) an acidic...	04/19/2005
6878667	Nickel-rhodium based catalysts for synthesis gas production A nickel-rhodium alloy based catalyst for catalyzing the production of synthesis gas from a light hydrocarbon and O2 by a net catalytic partial oxidation process is disclosed. Preferred nickel-rhodium alloy based catalysts comprise about 1-50 weight perce...	04/12/2005
6855663	Methods for producing a catalyst for ethylene homo- and co-polymerization The present invention relates to a catalyst for homo-polymerization or co-polymerization of ethylene, or more particularly to a solid complex titanium catalyst for homo-polymerization or co-polymerization of ethylene. The catalyst may be produced by preparing a magn...	02/15/2005
6818582	Adsorbent catalyst An adsorbent catalyst for reducing the amounts of nitrogen oxides, hydrocarbons and carbon monoxide contained in exhaust or combustion gases, which catalyst adsorbs nitrogen oxides, when the exhaust or combustion gases contain in excess of oxygen, and liberates and ...	11/16/2004
6815393	Catalyst for purification of exhaust gas A catalyst for purification of exhaust gas includes a carrier, and a catalyst layer containing an alkali metal and/or an alkaline earth metal as an NOx-adsorbing component, the catalyst layer being loaded on the carrier, in which catalyst the carrier-comp...	11/09/2004
6753292	Silica-based photocatalyst fiber having visible-light activity and process for the production thereof A silica-based photocatalyst fiber having visible-light activity, which fiber comprises a composite oxide phase comprising an oxide phase (first phase) mainly made of a silica component and a titania phase (second phase), wherein the second phase contains a metal el...	06/22/2004
6696388	Gel catalysts and process for preparing thereof A gel composition substantially contained within the pores of a solid material for use as a catalyst or as a catalyst support in dehydrogenation and dehydrocyclization processes....	02/24/2004
6660683	NOx reduction compositions for use in FCC processes Compositions for reduction of gas phase reduced nitrogen species and NOx generated during a partial or incomplete combustion catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise (i...	12/09/2003
6600011	Process for purification and drying of polymer hydrogels This invention relates to a method for purifying and drying a polymer hydrogel. This invention is based in part upon the discovery that rapid drying of polymer hydrogels can eliminate the problem of unacceptable levels of soluble oligomers caused by prolo...	07/29/2003
6544924	Catalysts for the production of unsaturated acids or esters The production of ethylenically unsaturated acids or esters by the catalytic reaction of an alkanoic acid or ester, especially methyl propionate, with formaldehyde, and a catalyst therefor wherein the catalyst comprises a porous high surface area silica c...	04/08/2003
6541416	Silica-group composite oxide fiber and process for the production thereof A silica-group composite oxide fiber formed of a composite oxide phase of an oxide phase (first phase) mainly made of a silica component and a metal oxide phase (second phase) excluding silica, in which the existent ratio of at least one metal element of ...	04/01/2003
6376421	Ion exchanged aluminum-magnesium silicate or fluorinated magnesium silicate aerogels and catalyst supports therefrom Aluminum-magnesium silicate- or fluorinated magnesium silicate- aerogels which may be calcined, chemically modified, ion-exchanged, agglomerated, used as a component of a catalyst composition for an addition polymerization; supported versions thereof; and...	04/23/2002
6329315	Frangible, spray dried agglomerated supports, method of making such supports, and olefin polymerization catalysts supported thereon Frangible, spray dried agglomerate catalyst supports are provided, e.g. of silica gel, which possess a controlled morphology of microspheroidal shape, rough, scabrous appearance, and interstitial void spaces which penetrate the agglomerate surface and are...	12/11/2001
6313061	Method of making frangible spray dried agglomerated supports and olefin polymerization catalysts supported thereon A method of making frangible, spray dried agglomerate catalyst supports is provided, e.g. of silica gel, which possess a controlled morphology of microspheroidal shape, preferably a rough, scabrous appearance, and interstitial void spaces which penetrate ...	11/06/2001
6303536	Process of preparing catalyst for producing alkenyl acetates This invention relates to a preparation process of a catalyst which comprises a noble metal and a metal as catalysis promoter in combination with an alkali or alkaline earth metal compound, supported on the outer surface of a carrier. The preparation proc...	10/16/2001
6251820	Catalyst for purifying exhaust gas and process for producing the same A catalyst for purifying an exhaust gas includes amorphous and homogeneous composite oxide particles, a catalytic noble metal element, and metallic oxide particles. The metallic oxide particles interpose among the composite oxide particles to connect them...	06/26/2001
6242167	Developer for use with carbonless copy paper and photo imaging systems An electron accepting developer useful for producing visible images by reaction with an electron donor in carbonless paper and photo-imaging systems, the developer comprising an acid-treated, water insoluble alkali metal-modified, inorganic oxide or an ac...	06/05/2001
6225255	Additive catalyst for the cracking of heavy oil An additive catalyst for the cracking of heavy oil, characterized in that the additive catalyst includes: (i) a mixed metal oxide composed of an acidic metal oxide and a basic metal oxide, in which the proportion of the basic metal oxide is from 5 to 50 m...	05/01/2001
6207128	Method of producing a catalyst The invention relates to a method of producing a catalyst comprising a porous support and a catalytically active metal deposited thereon comprising the steps of treating the porous support with a solution of a salt of the catalytically active metal and a ...	03/27/2001
6180559	Supported catalysts and catalyst support materials and process for the manufacture of 1,2-epoxybutane Disclosed are certain catalysts and catalyst support materials and processes for the preparation of the catalyst support materials and for the selective hydrogenation of 3,4-epoxy-1-butene (EpB) to 1,2-epoxy-butane (butylene oxide--BO). The catalyst suppo...	01/30/2001
6159893	Honeycomb structure and method of producing the same A honeycomb structure in which partitioning walls comprising, as a chief component, cordierite of a chemical composition containing 45 to 55% by weight of SiO2, 33 to 42% by weight of Al2 O3, and 12 to 18% by weight of MgO...	12/12/2000

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Class 502/251 - Magnesium