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| Number | Title | Issue Date |
| 7687429 | Catalysts for oxychlorination of ethylene to 1,2-dichlorethane Catalysts for oxychlorination of ethylene to 1,2-dichlorethane, comprising compounds of copper and magnesium supported on gamma alumina, wherein the copper, expressed as metal, is present in a quantity from 7 to 12% by weight and the Mg/Cu ratio is from 0.05 to 1, w... | 03/30/2010 |
| 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 |
| 7323583 | Catalysts for the production of methylchlorosilanes using zinc oxide promoters The present invention provides a catalyst that may be used to facilitate the formation of dimethylchlorosilanes. A catalyst in which copper oxide and zinc oxide are in intimate contact and form agglomerated particles allows for the increased selectively of the produ... | 01/29/2008 |
| 7214641 | Catalyst and hydrogenation of carbonyl compounds in the liquid phase using the catalyst The present invention provides a process for hydrogenating carbonyl compounds, in particular C4-dicarboxylic acids to mixtures of tetrahydrofuran and gamma-butyrolactone, over supported rhenium catalysts, wherein rhenium and at least one further metal of ... | 05/08/2007 |
| 7205258 | Catalysts for the production of methylchlorosilanes using zinc oxide promoters The present invention provides a catalyst that may be used to facilitate the formation of dimethylchlorosilanes. A catalyst in which copper oxide and zinc oxide are in intimate contact and form agglomerated particles allows for the increased selectively of the produ... | 04/17/2007 |
| 7163963 | Chemically and thermally stabilized alumina for Fischer-Tropsch catalysts This invention is generally related to the field of Fischer-Tropsch catalysts. In particular, the present invention is related to a Fischer-Tropsch catalyst and method of making same. More particularly, the present invention discloses a catalyst comprising a support... | 01/16/2007 |
| 7141708 | Hollow pellet suitable as carrier of catalysts for selective exothermic reactions A hollow catalyst pellet for use in selective gas phase exothermic reactions in a tubular fixed bed reactor, having a parallelogram shaped external cross-section. ... | 11/28/2006 |
| 6998100 | Sulfur oxide sorption with layered chlorite-type contact solids Chlorite-like phyllosilicate materials are found useful as SOx sorbents. A novel process of sulfur oxide sorption is provided utilizing these layered materials as contact solids. Typical industrial applications include sulfur removal from fluid catalyst c... | 02/14/2006 |
| 6933417 | Process for vinyl chloride manufacture from ethane and ethylene with partial CHl recovery from reactor effluent A process for producing vinyl chloride monomer from ethylene and ethane having input of significant quantities of both ethane and ethylene in input streams to the affiliated reactor where hydrogen chloride in the reactor effluent is only partially recovered from the... | 08/23/2005 |
| 6916457 | Preparation and use of non-chrome catalysts for Cu/Cr catalyst applications A non-chrome, copper-containing catalyst, Cu—Al—O and method of preparing the same are provided wherein the Cu—Al—O catalyst is prepared by the co-precipitation of copper nitrate (Cu(NO3)2) and sodium aluminate (Na2Al2 | 07/12/2005 |
| 6909024 | Process for the conversion of ethylene to vinyl chloride and novel catalyst compositions useful for such process This invention is a process for producing vinyl chloride from an ethylene-containing feed, oxygen, and a chlorine source in the presence of a catalyst. The process permits direct production of vinyl chloride in a single reactor system, and further permits ethane to ... | 06/21/2005 |
| 6903050 | Method of preparation of non-pyrophoric copper-alumina catalysts Provided is a process for preparing a non-pyrophoric catalyst having about 2 to 20 wt. % of a copper component, wherein at least 50 wt. % of the copper component is in the form of a copper oxide, aluminum oxide-spinel. The catalyst can be prepared by forming a mixtu... | 06/07/2005 |
| 6872684 | Catalysts for oxychlorination of ethylene to 1,2-dichloroethane Catalysts for oxychlorination of ethylene to 1,2-dichloroethane, comprising compounds of copper and magnesium supported on alumina, in which the copper, expressed as metal, is present in an amount of 7 to 12% by weight and the Mg/Cu ratio is 0.05 to 1, and wherein t... | 03/29/2005 |
| 6821924 | Oxyhalogenation process using catalyst having porous rare earth halide support An oxidative halogenation process involving contacting a hydrocarbon, for example, ethylene, or a halogenated hydrocarbon with a source of halogen, such as hydrogen chloride, and a source of oxygen in the presence of a catalyst so as to form a halocarbon, preferably... | 11/23/2004 |
| 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 |
| 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 |
| 6518220 | Shaped catalysts Shaped catalysts for heterogeneously catalyzed reactions are in the form of hollow cylinders or annular tablets whose end faces are rounded both to the outer edge and to the edge of the central hole, i.e. have no right-angled edges.... | 02/11/2003 |
| 6429327 | Organometallic catalysts Processes for the synthesis of substituted silanes from alkyl magnesium compounds using a mixture of catalysts. The catalyst systems include both a copper halide and a salt of a Group IA, IIA, IIA, or IVA element or a transition metal.... | 08/06/2002 |
| 6174834 | Oxychlorination catalyst Oxychlorination catalyst is produced by mixing together wet support material, copper chloride or precursor thereof, to form a paste, wherein the wet support material is wet clay, wet silica, wet silica gel, wet alumina, wet diatomaceous earth, or a mixtur... | 01/16/2001 |
| 6160154 | Method and catalyst system for producing aromatic carbonates A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least one aromatic hydroxy... | 12/12/2000 |
| 6127309 | Catalyst for use in the alkylation of isoalkanes A catalyst useful for the alkylation of isoalkanes is disclosed along with a process therefor the same. The catalyst comprises a zirconium halide and at least one member of the group consisting of sulfate basic sulfate, copper halide, copper nitrate and c... | 10/03/2000 |
| 6037298 | Continuous catalytic process for preparation of organic carbonates A particularly useful process of contacting a feedstream containing dioxygen, carbon monoxide, ether, and alkanol which can be vaporized under conditions of reaction, with a blend of catalysts which are heterogeneous to the feedstream, under conditions of... | 03/14/2000 |
| 5972827 | Catalytic oxychlorination of hydrocarbons to produce chlorocarbons Hydrocarbons, e.g., ethylene, are steady-state catalytically oxychlorinated into chlorocarbons, e.g., 1,2-dichloroethane, by fluidizing a fluidizable charge by directing a gaseous feedstream containing a hydrocarbon therethrough and therein oxychlorinatin... | 10/26/1999 |
| 5962366 | Treatment to improve the durability and selectivity of a hydrodechlorination catalyst and catalyst The durability and selectivity of a supported nobel metal hydrodeclorination catalyst can be improved by treating the supported catalyst, which comprises support and catalytic noble metal, with a late transition metal halide salt, a post transition metal ... | 10/05/1999 |
| 5905054 | Catalysts for the oxichlorination of ethylene, method for preparing them, and oxichlorination method using the same Catalysts for the oxichlorination of ethylene to 1,2-dichlorethane, comprising copper chloride as a main component, in the form of hollow cylindrical granules having at least three through holes, obtained by compression forming by using, for lubrication, ... | 05/18/1999 |
| 5861353 | Catalyst in granular form for 1,2-dichloroethane synthesis An ethylene oxychlorination catalyst in granular form, consisting of CuCl2 supported on an alumina carrier, displaying a cylindrical configuration with trilobed cross-section provided with three through-bores equidistant from each other, each o... | 01/19/1999 |
| 5854168 | Catalyst composition for methanol synthesis A new catalyst composition is provided for the synthesis of methyl alcohol by a catalytic reaction where methyl chloride, perchloroethylene, hydrogen chloride, and oxygen are converted to methyl alcohol and hexachloroethylene. The catalyst composition is ... | 12/29/1998 |
| 5750455 | Catalytic composition and process for the alkylation of aliphatic hydrocarbons The invention concerns a catalytic composition resulting from mixing at least one aluminum halide, at least one quaternary ammonium halide and/or at least one amine halohydrate and at least one cuprous compound, preferable a halide. The invention also con... | 05/12/1998 |
| 5728642 | Exhaust gas treating agent and a method of treating exhaust gas using the agent There is provided with a method of treating an exhaust gas comprising the steps of loading into a column an exhaust gas treating agent containing as a main component a metal of which surface is fluorinated previously; passing through the column the exhaus... | 03/17/1998 |
| 5693585 | Aliphatic alkylation catalyst comprising an active phase containing a cuprous compound on a support A catalyst containing a porous organic or mineral support and at least one active phase having at least one aluminum halide, at least one compound selected for quaternary ammonium halides and amine hydrohalides, and at least one cuprous compound, the supp... | 12/02/1997 |
| 5527754 | Catalytic composition and process for the oxychlorination of ethylene using such a composition Catalytic composition comprising copper chloride, magnesium chloride and caesium chloride deposited on an alumina, which may be used in particular for the oxychlorination of ethylene into 1,2-dichloroethane. In the processes for the oxychlorination of eth... | 06/18/1996 |
| 5512528 | Catalysts used for producing carbonic acid esters and methods of producing carbonic acid esters using the same The present invention relates to a novel catalyst having a stable catalytic activity for catalyzing the reaction of an alcohol with carbon monoxide and oxygen to produce carbonic acid esters (i.e., carbonate), and also the present invention relates to a m... | 04/30/1996 |
| 5464802 | Process for preparing a supported metal catalyst for the selective hydrogenation of hydrocarbons by means of such a process and process for selective hydrogenation of hydrocarbons using such a catalyst A process for preparing a supported metal catalyst based on Pd and Cu for e selective hydrogenation of polyunsaturated hydrocarbons comprises, in cascade, the steps of impregnating a porous support with a solution of a palladium and potassium salt, submit... | 11/07/1995 |
| 5358919 | Preparation and use of isomerization catalysts Novel compositions, being effective as catalysts for alkane and/or cycloalkane isomerization, are prepared by a method which includes the steps of impregnating alumina with a sulfate of at least one metal selected from the group consisting of copper, iron... | 10/25/1994 |
| 5344805 | Platinum and tin-containing catalyst and use thereof in alkane dehydrogenation In a process for preparing a dehydrogenation catalyst of the type in which a support comprising zinc aluminate is impregnated with at least one of platinum and tin from an impregnation solution, the improvement comprises simultaneously impregnating the su... | 09/06/1994 |
| 5334777 | Conversion of alkanes to alkanols and glycols Lower monobasic or dibasic alcohols are produced by the following steps: a) reacting a starting material with a metallic halide (wherein the metal is in the higher of two possible valence states) to obtain a reaction product, a corresponding metallous halide (... | 08/02/1994 |
| 5315051 | Process for the oxychlorination of ethylene and catalyst compositions for the oxychlorination The invention relates to a process for the oxychlorination of ethylene by means of a catalyst composition comprising an alumina support impregnated with cupric chloride, magnesium chloride and a chloride of an alkali metal chosen from sodium and lithium. ... | 05/24/1994 |
| 5266665 | Metathesis polymerization catalyst and method of polymerizing cyclic olefins therewith Cyclic olefin metathesis polymerization catalyst comprising metal compounds wherein said metals consist essentially of a minor amount of a transition metal which Will initiate ring-opening metathesis polymerization of a cyclic olefin and a major amount of... | 11/30/1993 |
| 5260247 | Catalytic composition for oxychlorination and process for the oxychlorination of ethylene using such a composition The invention relates to a catalytic composition for oxychlorination, as well as to a process for the oxychlorination of ethylene by means of such a catalytic composition based on copper chloride, magnesium chloride, lithium chloride and at least one othe... | 11/09/1993 |
| 5242881 | Perovskite-type rare earth complex oxide combustion catalysts The present invention relates to rare earth complex oxide combustion catalysts wherein perovskite-type rare earth complex oxide active components are carried on a support using mullite as the main phase. The present invention relates also to a process for... | 09/07/1993 |
