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| Number | Title | Issue Date |
| 7402546 | Magnesium chloride support The invention relates to supports comprising inorganic oxide particles coated with magnesium chloride and a method for making them. The inorganic oxide has a mean particle diameter of less than 5 microns and is used as a seed to crystallize magnesium chloride from s... | 07/22/2008 |
| 7371316 | Production of lower molecular weight hydrocarbons A catalytic composition useful for cracking and reducing the viscosity of heavy hydrocarbons. The catalytic composition comprises Portland cement, a volcanic ash component, titanium dioxide, and a transition metal salt. Optionally, a hydrogen source is added to the ... | 05/13/2008 |
| 7261872 | Method for producing metal fluoride materials A method of producing nano metal fluoride powders comprising the steps of mixing an aqueous or organic continuous phase comprising at least one metal cation salt with a hydrophilic or organic polymeric disperse phase forming a metal cation salt/polymer gel and then ... | 08/28/2007 |
| 7199076 | Methods of making and using a selective hydrogenation catalyst In an embodiment, a method of hydrogenating a highly unsaturated hydrocarbon to an unsaturated hydrocarbon includes contacting the highly unsaturated hydrocarbon with a catalyst in the presence of hydrogen. The catalyst comprises palladium and an inorganic support h... | 04/03/2007 |
| 7060652 | Gas sensor A liquid electrode mixture for use in a gas sensor having from about 60 to about 240 milligrams of platinum black catalyst; from about 900 to about 1100 milligrams of water; from about 300 to about 400 microliters of 1-propanol; and from about 100 microliters to abo... | 06/13/2006 |
| 7053022 | Hydrothermally synthesized MO-V-M-NB-X oxide catalysts for the selective oxidation of hydrocarbons Hydrothermally synthesized catalysts comprising a mixed metal oxide are utilized to produce unsaturated carboxylic acids by the vapor phase oxidation of an alkane, or a mixture of an alkane and an alkene, in the presence thereof; or to produce unsaturated nitriles b... | 05/30/2006 |
| 7005059 | Catalyst having at least one element of group VIIB and its use in hydro-treating The invention relates to a catalyst for the transformation of hydrocarbon-containing feedstocks, in particular hydrotreatment, comprising at least one metal of group VIIB and at least one hydro-dehydrogenating metal (of the non-noble metals of group VIII and/or the ... | 02/28/2006 |
| 6831035 | Stabilization of fluorophosphite-containing catalysts Disclosed are novel catalyst systems comprising (1) a diorgano fluorophosphite ligand; (2) rhodium, wherein the ratio of gram moles fluorophosphite ligand (1) to gram atoms of rhodium is at least 1:1; and (3) a Group VIII metal, other than rhodium, or Group VIII met... | 12/14/2004 |
| 6780815 | Process for preparing fluorination catalyst A process for preparing a fluorination catalyst using a low pressure activating step followed by a high pressure activating step. ... | 08/24/2004 |
| 6780814 | Multimetallic reforming catalyst comprising platinum and tin, the preparation and the application thereof A multimetallic reforming catalyst and the preparation process thereof are disclosed. Said catalyst comprises the following components on the basis of mass percent: 0.01-2.0 of a Group VIII metal, 0.01-5.0 of a Group IVA metal, 0.01-10.0 of Eu, 0.01-10.0 of Ce, 0.10... | 08/24/2004 |
| 6774195 | Catalyst composition and process for preparing norbornene-type homopolymers or copolymers A catalyst composition and process for preparing norbornene-type homopolymers or copolymers. The norbornene-type homopolymers or copolymers can be prepared using an in-situ catalyst composition including: (a) a transition metal compound of ML4, wherein M ... | 08/10/2004 |
| 6670433 | Polymers of substituted cyclopentenes Substituted cyclopentenes, such as alkyl cyclopentenes, are polymerized by selected -imine complexes of nickel and palladium. The polymers are useful as molding resins or elastomers. Also disclosed herein are novel catalysts for the polymerization ... | 12/30/2003 |
| 6664350 | Supported polymerisation catalyst The invention relates to supported ligands and catalysts for use in the polymerization of olefinically unsaturated monomers such as vinylic monomers, comprising the use of a compound attached to support, the compound being capable of complexing with a tra... | 12/16/2003 |
| 6649560 | Bulk catalysts based on chromium and on nickel for the gas-phase fluorination of halogenated hydrocarbons Catalysts which are useful in the fluorination of halogenated hydrocarbons by HF in the gas phase are obtained by simple impregnation of a bulk chromium oxide with a solution of a nickel derivative, the chromium oxide used exhibiting a BET specific surfac... | 11/18/2003 |
| 6635598 | Stable and selective dehydrogenation catalyst and a process for the preparation thereof A novel catalyst for use in dehydrogenation of saturated hydrocarbons to unsaturated hydrocarbons and a method for its preparation is disclosed. Said catalyst comprises a composite incorporated within its spatial geometry on a percentage by weight basis, ... | 10/21/2003 |
| 6608155 | Metal halide solid acids and supported metal halides as catalysts for the preparation of hydrocarbon resins Supported metal halides and metal halide solid acids are used as catalysts for the polymerization of a feed stream containing at least one of pure monomer, C5 monomers, and C9 monomers to produce hydrocarbon resins. Freely-associated water may be removed ... | 08/19/2003 |
| 6593269 | Catalysts for exothermic reactions on a fixed bed Catalysts for exothermic reactions conducted in a fixed bed, comprising an inert diluent constituted by metal granules in which the metal has a thermal conductivity of more than 0.5 W/cm/K, particularly catalysts for the oxychlorination of ethylene to 1,2... | 07/15/2003 |
| 6569802 | Catalyst for selective hydrogenation of dinitriles Provided is a selective hydrogenation process for producing aminonitriles by contacting the corresponding dinitriles with a hydrogen-containing fluid in the presence of a hydrogenation catalyst, a solvent and a fluoride additive.... | 05/27/2003 |
| 6566295 | Method and catalyst system for producing aromatic carbonates A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds is disclosed. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least one aro... | 05/20/2003 |
| 6562749 | Process for the preparation of a catalyst or catalyst precursor A process for the preparation of a ceramic foam supporting one or more catalytically active components or precursors thereof, which component is active in a form other than an inorganic oxide, the process comprising impregnation of the foam with an impreg... | 05/13/2003 |
| 6544439 | Low coke formation catalysts and process for reforming and synthesis gas production Applicants have developed a novel catalyst composition comprising a crystalline metal oxide having the empirical formula: Av Bt+w Nix D(Gu-)y Oz, where A is an alkali metal (e.g.... | 04/08/2003 |
| 6524990 | Active fluoride catalysts for fluorination reactions Active fluoride catalysts that are useful in producing electrophilic fluorination agents; especially useful in producing BDM from the reaction of fluorine with carbon dioxide and FTM from the reaction of fluorine with carbonyl fluoride. The fluoride catal... | 02/25/2003 |
| 6432868 | Bimetallic catalyst comprising fluorine, and its use for hydrogenating aromatic compounds in the presence of sulphurated compounds The invention concerns a catalyst comprising at least two group VIII metals, chlorine, fluorine, and at least one amorphous oxide matrix. The catalytic composition is such that the fluorine content is 1.5% by weight or more of the total catalyst mass. The... | 08/13/2002 |
| 6423664 | Fluorinated catalyst comprising a group VIII metal and an additional metal, and its use for hydrogenating aromactic compounds in the presence of sulphurated compounds The invention concerns a catalyst comprising at least one group VIII metal, at least one additional metal, at least two halogens, including chlorine and fluorine, and at least one amorphous oxide matrix. The catalytic composition is such that the fluorine... | 07/23/2002 |
| 6407027 | Catalyst composition and method for producing diaryl carbonates, using bisphosphines Hydroxyaromatic compounds such as phenol are carbonylated with oxygen and carbon monoxide in the presence of a catalyst system comprising a Group VIII metal, preferably palladium; at least one bromide or chloride salt, preferably sodium bromide or a tetra... | 06/18/2002 |
| 6372683 | Method and catalyst system for producing aromatic carbonates A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbo... | 04/16/2002 |
| 6368997 | Fischer-Tropsch processes and catalysts using fluorided supports A process is disclosed for producing hydrocarbons. The process involves contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst in a reaction zone maintained at conversion-promoting conditions effective to produce an effluent stre... | 04/09/2002 |
| 6365544 | Fischer-Tropsch processes and catalysts using fluorided alumina supports A process is disclosed for producing hydrocarbons. The process involves contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst in a reaction zone maintained at conversion-promoting conditions effective to produce an effluent stre... | 04/02/2002 |
| 6365538 | Method and catalyst system for producing aromatic carbonates A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbo... | 04/02/2002 |
| 6355597 | Catalyst system for producing aromatic carbonates A catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a carbonylation catalyst system that includes a catalytic amount of an inorganic co-catalyst containing bis... | 03/12/2002 |
| 6281160 | Process for preparing catalysts for use in organic compound transformation reactions In a process for preparing a catalyst comprising at least one support, at least one metal from group VIII of the periodic table and at least one additional element M selected from the group formed by germanium, tin, lead, rhenium, gallium, indium and thal... | 08/28/2001 |
| 6264045 | High performance filters comprising an inorganic composite substrate and inorganic fiber whiskers A filter media system, which is capable of operating in the microfiltration regime, offers: low cost, durability, high temperature and chemical resistance, no particulation, mechanical strength, separation efficiency, and biocompatibility. A filter media ... | 07/24/2001 |
| 6258908 | Polymers of substituted cyclopentenes Substituted cyclopentenes, such as alkyl cyclopentenes, are polymerized by selected -imine complexes of nickel and palladium. The polymers are useful as molding resins or elastomers. Also disclosed herein are novel catalysts for the polymerization ... | 07/10/2001 |
| 6235673 | Carbonylation catalyst supported on a carbonized polysulfonated divinylbenzene-styrene copolymer A catalyst in carbonylation processes for producing esters, carboxylic acids, and carboxylic acid anhydrides from lower alkyl alcohols, ethers, esters, alcohol producing derivatives. The catalyst includes a catalytically active metal selected from Group V... | 05/22/2001 |
| 6214764 | Paraffin-isomerization catalyst and process An improved catalyst is disclosed for the conversion of hydrocarbons which comprises an alumina support, a Friedel-Crafts metal halide, and a platinum-group metal component, wherein the support comprises primarily eta alumina having defined narrow pore-si... | 04/10/2001 |
| 6194345 | Process for activating halogenated catalysts, catalysts obtained by this process, and use of these catalysts in acid catalyst processes The invention relates to a process of activating a supported acid catalyst, and consists in the conversion of Lewis acid-type acid sites which are deposited on a solid substrate into activated acid sites in a non-oxydizing acid medium. The catalyst is exp... | 02/27/2001 |
| 6194346 | Photocatalyst and method of making Fluorine contained within a photocatalyst layer containing titanium oxide and other metallic oxide semiconductors increases the metallic oxide's photocatalytic activity. The described photocatalyst may be in the form of either film, flake, particulate, or... | 02/27/2001 |
| 6191064 | Catalyst material, the preparation thereof and the use thereof in converting hydrocarbons A catalyst composition suitable for the conversion of n-butane to butenes. The same catalyst composition that with chlorination is further suitable, when used in the conversion of n-butane, for the production of an increased amount of BTX (benzene-toluene... | 02/20/2001 |
| 6184172 | Mixed fluorination catalyst Mixed fluorination catalyst comprising one or more nickel and chromium oxides, halides and/or oxyhalides deposited on a support composed of aluminium fluoride or of a mixture of aluminium fluoride and alumina, characterized in that the weight of nickel/we... | 02/06/2001 |
| 6180557 | Supported catalyst useful for Friedel-Crafts reactions and process for the preparation of aralkylated aromatic compounds using the catalyst A supported catalyst and a process for the preparation of the catalyst, the catalyst containing mixed metal oxides or halides deposited on porous catalyst carriers or supports, useful for heterogeneously or solid catalyzed Friedel-Crafts reactions such as... | 01/30/2001 |
