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| Number | Title | Issue Date |
| 7371908 | Process for catalytic hydrogenation Hydrocarbon streams are hydrogenated catalytically without using a different solvent from the hydrocarbon stream to be hydrogenated, with a basic compound being added to the starting-material stream. The formation of undesired secondary components on the catalyst is... | 05/13/2008 |
| 7361625 | Photocatalyst producing method, photocatalyst, and gas purifier A carrier supporting titania thereon is further caused to carry a metal compound thereon. This metal compound is hydrogen reduced in a heating atmosphere at a first treatment temperature, then oxidized in a heating atmosphere at a second treatment temperature not hi... | 04/22/2008 |
| 7355084 | Method for hydrogenating organic compounds by means of Ru/SiOcatalysts In a process for hydrogenating at least one organic compound, the organic compound or compounds is/are brought into contact with a hydrogen-containing gas in the presence of a catalyst which comprises, as active metal, ruthenium either alone or together with at leas... | 04/08/2008 |
| 7230148 | Process for hydrogenation of aromatics in hydrocarbon feedstocks containing thiopheneic compounds The present invention relates to an improved process for the hydrogenation of aromatics in hydrocarbon feedstocks containing thiopheneic compounds as impurities, the aromatics hydrogenation being conducted in a hydrogenation reactor in the presence of a nickel based... | 06/12/2007 |
| 7196035 | Ni hydrogenation catalysts, manufacture and use Improved Ni catalysts for hydrogenation reactions are disclosed. The catalysts are useful for hydrogenation such as selective hydrogenation of acetylenic impurities in crude olefin and diolefin streams. The catalysts are prepared by depositing nickel on a porous sup... | 03/27/2007 |
| 7175754 | Process for the production of low benzene gasoline A process for the production of low benzene content gasoline is disclosed wherein a full boiling range naphtha is fractionated to produce a light naphtha, a medium naphtha and a heavy naphtha. The benzene is contained in the medium naphtha and this stream is subject... | 02/13/2007 |
| 7081555 | Process for hydrogenation of aromatics in hydrocarbon feedstocks containing thiopheneic compounds The present invention relates to an improved process for the hydrogenation of aromatics in hydrocarbon feedstocks containing thiopheneic compounds as impurities, the aromatics hydrogenation being conducted in a hydrogenation reactor in the presence of a nickel based... | 07/25/2006 |
| 7022645 | Ni hydrogenation catalysts, manufacture and use Improved Ni catalysts for hydrogenation reactions are disclosed. The catalysts are useful for hydrogenation such as selective hydrogenation of acetylenic impurities in crude olefin and diolefin streams. The catalysts are prepared by depositing nickel on a porous sup... | 04/04/2006 |
| 6858769 | Lithium aluminate layered catalyst and a selective oxidation process using the catalyst A catalyst for the selective oxidation of hydrogen has been developed. It comprises an inert core such as cordierite and an outer layer comprising a lithium aluminate support. The support has dispersed thereon a platinum group metal and a promoter metal, e.g. platin... | 02/22/2005 |
| 6750374 | Manufacture of cyclohexane from benzene and a hydrogen source containing impurities A process for producing cyclohexane by benzene hydrogenation using a hydrogen source that contains impurities, such as carbon monoxide and/or light hydrocarbons, wherein a supported catalyst reduces benzene to cyclohexane and carbon monoxide to methane and water. Al... | 06/15/2004 |
| 6482997 | Conversion reactions for organic compounds In a catalyst process involving a conversion reaction for organic compounds, e.g. hydrogenations, the catalyst contains at least one support and at least one metal, and is characterized in that it has particles of an average size greater than approximatel... | 11/19/2002 |
| 6020285 | Calcium aluminate cement based catalyst Shaped particles suitable for use as a catalyst, or precursor thereto, particularly for the decomposition of hypohalite ions in aqueous solution, comprising a high alumina cement having an aluminium to calcium atomic ratio above 2.5 and at least one oxide... | 02/01/2000 |
| 5675038 | Lithium and amine dissolving metal reduction The invention is directed to a process for reducing or reductively cleaving an organic compound susceptible to dissolving metal reduction comprising exposing the organic compound to a solution of lithium in a polyamine including at least two amino groups,... | 10/07/1997 |
| 5321175 | Olefin hydrogenation procedure Procedure of olefin hydrogenation in liquid phase in the presence of homogeneous catalysts that contain, as essential component, a titanocene of general formula Cp CpTiR2, Cp CpTiR2, Cp Cp[CpTiR2 ]2, or Cp Cp[Cp... | 06/14/1994 |
| 5149893 | Catalytic hydrogenation process A catalytic hydrogenation process comprising contacting a catalyst effective to promote a hydrogenation reaction with a feed stream comprising gaseous hydrogen and an unsaturated hydrocarbon thereby hydrogenating at least some of said unsaturated hydrocar... | 09/22/1992 |
| 5030780 | Aromatic saturation process with a silica-alumina and zeolite catalyst A catalyst typically containing nickel and tungsten on a support containing (a) a dispersion of silica-alumina in an alumina matrix and (b) an ultra-hydrophobic zeolite is utilized for converting relatively low boiling hydrocarbon-containing feedstocks. T... | 07/09/1991 |
| 4783565 | Selective preparation of cis-perhydroacenaphthene A cis-isomer of perhydroacenaphthene is selectively prepared through hydrogenation of acenaphthene by effecting hydrogenation of 80° to 200° C. in the presence of a Ru and/or Rh based catalyst. A cis-isomer having the highest boiling point is obtained a... | 11/08/1988 |
| 4777308 | Sulfur- and nitrogen-containing hydrocarbon feed conversion A catalyst effective in hydrotreating and hydrocracking sulfur- and nitrogen-containing hydrocarbon feeds at low pressure. The catalyst is prepared by incorporating a platinum group metal such as palladium in ZSM-20 or in dealuminized zeolite Y. Unlike mo... | 10/11/1988 |
| 4774013 | Perhydrofluorene derivatives and fluids for traction drive This invention provides a novel perhydrofluorene derivative which is represented by the following general formula and which is useful as a fluid for traction drive and a process for production of the derivative. ##STR1## wherein R1, R... | 09/27/1988 |
| 4751335 | Process for preparing a fluid for traction drive A process for preparing a fluid for traction drive from a fraction containing compounds having at least four aromatic rings is disclosed. The fraction is a by-product produced at the time of the preparation of alpha-methyl-benzylalkylbenzenes by alkylatio... | 06/14/1988 |
| 4665274 | Method for producing cycloolefins A method for producing cycloolefins, useful as an intermediate for lysine, caprolactam, adipic acid etc., by the partial hydrogenation of corresponding aromatic hydrocarbons with a hydrogen gas in the presence of water and a catalyst comprising barium sul... | 05/12/1987 |
| 4575572 | Method for producing cycloolefins A method for producing cycloolefins useful as an intermediate material for lysine, caprolactam, adipic acid, medicines, agricultural chemicals, dyes and the like, which comprises partial hydrogenation of aromatic hydrocarbons with hydrogen gas in the pres... | 03/11/1986 |
| 4533760 | Process for reducing organic compounds with calcium, amine, and alcohol Olefins are produced by contacting an organic compound having at least one benzene ring with calcium metal, ethylenediamine, a low molecular weight aliphatic alcohol, and optionally a low molecular weight aliphatic primary amine, and/or an inert, abrasive... | 08/06/1985 |
| 4533752 | Process for reducing aromatic compounds in ethylenediamine with calcium Olefins are produced by containing an organic compound having at least one benzene ring with ethylenediamine and calcium metal, the calcium metal being used in large excess or alternatively in conjunction with an inert abrasive particulate substance. Subs... | 08/06/1985 |
| 4532351 | Process for hydrogenating organic compounds by use of Group VIII aluminum-silicate catalysts Supported catalysts comprised of one or more metals of Group VIII, optionally one or more metals from Group IB and IIA, aluminum and silicate are used for hydrogenating hydrogenatable organic compounds. The catalysts can be produced by coprecipitating met... | 07/30/1985 |
| 4396540 | Hydrocarbon dehydrogenation with a multimetallic catalytic composite Dehydrogenatable hydrocarbons are dehydrogenated by contacting them at hydrocarbon dehydrogenation conditions with a multimetallic catalytic composite comprising a combination of a catalytically effective amount of a pyrolyzed ruthenium carbonyl component... | 08/02/1983 |
| 4394525 | Process for hydrogenating aldehydes A process for hydrogenating an unsaturated organic compound which comprises contacting the same with hydrogen in the presence of a catalyst composed of a support containing (1) at least one Group IIA metal compound selected from the group consisting of ma... | 07/19/1983 |
| 4379027 | Selective hydrogenation of vinyltoluene This invention provides a process for obtaining m-methylstyrene from a mixture with p-methylstyrene that comprises hydrogenating a mixture of p-methylstyrene and m-methylstyrene in the presence of a zeolite having a Constraint Index of about 1 to about 12... | 04/05/1983 |
| 4356337 | Producing cyclohexene or alkylcyclohexene Benzene or an alkylbenzene is reacted with hydrogen and an alkali metal such as potassium in the presence of a polyamine to produce cyclohexene or alkylcyclohexene and alkali metal hydride. The polyamine contains only C, N and H and has at least three nit... | 10/26/1982 |
| 4327234 | Hydrogenation process using supported nickel catalyst Unsaturated hydrocarbons are hydrogenated using a catalyst comprising nickel on a calcium phosphate support. The catalyst can be used in combination with a promoter selected from at least one of barium and uranium. Aromatic compounds such as benzene can b... | 04/27/1982 |
| 4307248 | Process for hydrogenating organic compounds by use of non-ferrous group VIII aluminum coprecipitated catalysts Supported coprecipitated catalysts comprised of one or more metals of Group VIII, one or more metals of Group IIA, and aluminum are used for hydrogenating hydrogenatable organic compounds. The catalysts are produced by preparing, under agitation; an aqueo... | 12/22/1981 |
| 4273939 | Process for hydrogenating organic compounds by use of non-ferrous group VIII aluminum coprecipitated catalysts Supported coprecipitated non-ferrous Group VIII metal aluminum catalysts are used for hydrogenating hydrogenatable organic compounds. The catalysts are produced by preparing an aqueous mixture containing the metal ions, aluminum ions and solid porous supp... | 06/16/1981 |
| 4228312 | Hydrogenation process A process for the hydrogenation of certain aromatic, olefinic and acetylenic compounds. The process is catalyzed by a zero-valent mixed metal catalyst which is in turn prepared by the reaction of an organic metal cluster compound wherein one of the metals... | 10/14/1980 |
| 4205191 | Hydrocarbon hydrogenation using zero valent metal catalysts A process for the preparation of novel zero-valent metal catalysts. The catalysts are prepared by the reaction of an organic metal cluster compound wherein one of the metals is lithium with a complex of a metal halide and a ligand. The catalyst may, if de... | 05/27/1980 |
| 4202758 | Hydroprocessing of hydrocarbons A process for hydrotreating (hydroprocessing) hydrocarbons and mixtures of hydrocarbons utilizing a catalytic composite comprising an alumina-zeolite support, a rare earth exchange metal component, at least one metal component from Group VIB or Group VIII... | 05/13/1980 |
| 4175033 | Hydroprocessing of hydrocarbons over nickel, moly, platinum catalyst A process for hydrotreating (hydroprocessing) hydrocarbons and mixtures of hydrocarbons utilizing a catalytic composite comprising a combination of a nickel component, a molybdenum component and a platinum component with a zeolitic carrier material wherei... | 11/20/1979 |
| 4152362 | Hydroalkylation using a rhenium, nickel, rare earth zeolite A reaction mixture comprising an aromatic hydrocarbon and hydrogen is contacted under hydroalkylation conditions with a composition comprising at least one rhenium compound supported on a calcined, acidic, nickel and rare earth-treated crystalline zeolite... | 05/01/1979 |
| 4115462 | Gas phase aromatic hydrogenation using palladium lithium aluminum spinel catalyst Process for the preparation of cycloaliphatic hydrocarbons by gas phase hydrogenation of aromatic hydrocarbons in the presence of palladium catalyst, characterized in that palladium catalyst is used which contains the palladium applied to a support which ... | 09/19/1978 |
| 4115253 | Hydrocarbon conversion with a selectively sulfided acidic multimetallic catalytic composite Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with a selectively sulfided acidic multimetallic catalytic composite comprising a combination of catalytically effective amounts of a platinum group component, a tin compon... | 09/19/1978 |
| 4076613 | Combined disulfurization and conversion with alkali metals Improved processes for the combined desulfurization and hydroconversion of various sulfur-containing pertroleum oils, and particularly various residua feedstocks, are disclosed. These feedstocks are thus contacted with alkali metals, such as sodium, in th... | 02/28/1978 |
