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| Number | Title | Issue Date |
| 7291680 | Metal catalyst and hydrogenation method employing the same A metal catalyst for hydrogenating unsaturated carbon-carbon bonds of copolymer is provided. The metal catalyst is a bimetallic complex comprising iridium and ruthenium. The metal catalyst has a formula comprising M1aM2bX | 11/06/2007 |
| 7012038 | Paraffin dehydrogenation catalyst One aspect of the invention relates to a dehydrogenation catalyst composite containing alumina, chromium oxide, lithium oxide, and sodium oxide. The invention also relates to methods of making the dehydrogenation catalyst composite. Another aspect of the invention r... | 03/14/2006 |
| 6600082 | Process for dehydrogenating organic compounds in the presence of a supported bimetallic catalyst with a strong interaction between a group VIII metal and tin A process for dehydrogenating organic compounds, in particular paraffins and naphthenes, is carried out in the presence of a supported catalyst comprising a group VIII metal such as platinum, and tin, at least a portion of which interacts strongly with th... | 07/29/2003 |
| 6511593 | Homogeneous bed of catalyst and a process for transforming hydrocarbons into aromatic compounds using said bed The invention relates to a homogeneous bed of catalyst particles comprising at least one amorphous matrix, at least one noble metal, at least one additional metal M and at least one halogen, and in which, for a catalyst particle: CPt is the loc... | 01/28/2003 |
| 6239324 | Diene compound and process for producing the same The invention provides a chain diene compound with desirable regioselectivity, in the presence of a specific ruthenium compound. This chain diene compound is a promising raw material for terpene. It has a structure represented by the general formula (IX):... | 05/29/2001 |
| 6130362 | Method for preparing ethylbenzene from 4-vinylcyclohexene In the presence of a heterogeneous catalyst made of palladium supported on active carbon, ethylbenzene is prepared from 4-vinylcyclohexene through catalytic transfer hydrogenation in a hydrogen donor solvent with an oxidizing agent. Reaction temperature r... | 10/10/2000 |
| 6017442 | Hydrocarbon conversion with dual metal promoted zeolite A catalyst composition contains a zeolite, cerium or cerium oxide, and a Group VIII metal or metal oxide. The composition is produced by contacting the zeolite with compounds of the metals and then heat-treating the metals-containing zeolite. Hydrocarbons... | 01/25/2000 |
| 5744671 | Process for the preparation of an alkyl benzene The invention relates to a process for the preparation of an alkyl benzene by catalytic dehydrogenation of the corresponding alkenyl cyclohexene in the gas phase in the presence of a diluent. A characteristic feature is that at least a part of the alkyl c... | 04/28/1998 |
| 5659099 | Activated zeolite beta and its use for hydrocarbon conversion The present invention relates to a zeolite beta catalyst characterized by critical limits of weak and strong acid species and exceptionally high catalytic activity. The catalyst is activated at a temperature effective to substantially reduce the concentra... | 08/19/1997 |
| 5347027 | Noble metal supported on a base metal catalyst The present invention provides an electroless process for making a catalyst in a liquid or gaseous medium comprising contacting a base metal with a chemical cleaning agent and simultaneously or sequentially treating said base metal under reducing conditio... | 09/13/1994 |
| 5196631 | Catalyst for production of aromatic hydrocarbons and process for production of aromatic hydrocarbons using same The catalyst is an L-type zeolite with platinum supported thereon, which is then treated with a halogen-containing compound. The catalyst has a long catalyst life and is extremely useful for the preparation of aromatic hydrocarbons from aliphatic hydrocar... | 03/23/1993 |
| 5073529 | Method of regenerating a nonacidic zeolite catalyst A deactivated catalyst comprising a nonacidic zeolite and a Group VIII metal is regenerated by a two-step carbon burn process. The first oxidation step contacts the nonacidic zeolite catalyst with a halogen-free gaseous stream comprising oxygen and an ine... | 12/17/1991 |
| 4888105 | Process for the dehydrocyclization of acyclic hydrocarbons and catalyst composition therefor The dehydrocyclization of a feed containing one or more acyclic hydrocarbons capable of undergoing ring closure to provide aromatic hydrocarbons is accomplished by contacting the feed under dehydrocyclization conditions with a zeolite L dehydrocyclization... | 12/19/1989 |
| 4879426 | Palladium-catalyzed arylation of cycloalkenes A direct coupling reaction which goes in high yields to couple an aryl halide with a cycloalkene.... | 11/07/1989 |
| 4827070 | Process for the production of isobutylbenzene from an isobutenylcyclohexene An isobutylbenzene (IBB) is produced from an isobutenylcyclohexane (IBCH) by contacting at elevated temperature the IBCH in the presence of a molecular oxygen-containing gas with a catalyst comprising a supported transition metal in the form of the elemen... | 05/02/1989 |
| 4672146 | Dehydrogenation catalyst compositions and its use in dehydrogenation A novel catalytic composite is disclosed. Also disclosed is a use for the novel composite and a method for preparing the same. The catalytic composite comprises a Group VIII, noble metal component, a co-formed IVA metal component, an alkali metal or alkal... | 06/09/1987 |
| 4627912 | Reforming process having a high selectivity and activity for dehydrocyclization, isomerization, and dehydroisomerization A hydrocarbon conversion process is disclosed wherein a hydrocarbon feed is contacted with a reforming catalyst in the presence of a halogen at conditions which favor dehydrocyclization, isomerization, and dehydroisomerization of the hydrocarbon feed. The... | 12/09/1986 |
| 4612407 | Aliphatic aromatization with intemetallic Group VIII-IIIA, IVA catalyst Supported intermetallic compounds are produced by a two-step process. In the first step, a supported metal is formed, for example, by solvating a metallic salt such as nickel nitrate and applying it to a support medium. The treated support body is then he... | 09/16/1986 |
| 4490568 | Conversion of certain hydrocarbons using calcined TEA-silicate catalyst By-product effluent streams from pyrolytic hydrocarbon cracking processes, containing monoolefins and diolefins, are treated to hydrogenate the olefins and to aromatize the aliphatics, with a catalyst essentially comprising a calcined TEA-silicate.... | 12/25/1984 |
| 4447665 | Dehydrogenation reactions A method is disclosed for dehydrogenating a parafinic or naphthenic compound and for dehydrocyclizing a paraffinic compound comprising a straight chain of at least 5 carbon atoms, comprising: contacting an aforesaid compound under dehydrogenation conditio... | 05/08/1984 |
| 4429175 | Process for the production of ethylbenzene This invention provides a process for selective conversion of vinylcyclohexene to ethylbenzene and hydrogen in the presence of a palladium on non-acidic zeolite catalyst. In the catalyst preparation, the catalyst is calcined first in air and then in a hyd... | 01/31/1984 |
| 4420649 | 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... | 12/13/1983 |
| 4359594 | Novel process for preparing ethylbenzene Vinyl cyclohexene is converted to ethylbenzene and styrene at 170° C.-360° C. in the presence of a hydrogen transfer catalyst typified by IrCl(CO)(Ph3 P)2.... | 11/16/1982 |
| 4322556 | Method for preparing aniline by reaction of nitrobenzene and vinylcyclohexene Aniline may be prepared by reaction of nitrobenzene and vinylcyclohexene at 170° C.-300° C., typically 200° C., in the presence of a homogeneous catalyst typified by IrCl(CO)(Ph3 P)2.... | 03/30/1982 |
| 4313020 | Hydrocarbon dehydrogenation with an attenuated superactive multimetallic catalytic composite for use therein Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at hydrocarbon dehydrogenation conditions, with a novel attenuated superactive multimetallic catalytic composite comprising a combination of a catalytically effective amount of a pyrolyz... | 01/26/1982 |
| 4312792 | Hydrocarbon dehydrogenation with an attenuated superactive multimetallic catalytic composite for use therein Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at hydrocarbon dehydrogenation conditions, with a novel attenuated superactive multimetallic catalytic composite comprising a combination of a catalytically effective amount of a pyrolyz... | 01/26/1982 |
| 4308413 | Process for the preparation of alkylbenzenes A method for the preparation of an alkyl benzene by dehydrogenation of the corresponding alkenyl cyclohexene in the presence of carrier borne noble metal catalyst wherein a non-acidic material is used as the catalyst carrier and the reaction is initially ... | 12/29/1981 |
| 4304950 | Hydrocarbon dehydrogenation method using a nonacidic multimetallic catalytic composite Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at dehydrogenation conditions, with a nonacidic catalytic composite comprising a combination of catalytically effective amounts of a platinum group component, a cobalt component, a tanta... | 12/08/1981 |
| 4300010 | Production of ethylbenzene This invention provides a process for selective conversion of vinylcyclohexene to ethylbenzene in the presence of a palladium on nonacidic zeolite catalyst. In the catalyst preparation, the catalyst is calcined first in air and then in a hydrocarbon type ... | 11/10/1981 |
| 4292207 | Nonacidic superactive multimetallic catalytic composite for use in hydrocarbon dehydrogenation Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at hydrocarbon dehydrogenation conditions, with a novel nonacidic superactive multimetallic catalytic composite comprising a combination of a catalytically effective amount of a pyrolyze... | 09/29/1981 |
| 4271327 | Dehydrogenation of cyclohexanes A catalyst having a noble metal of Group 8 of the Periodic Table of Elements carried on aluminum sponge and a method for the dehydrogenation of cyclohexanes which comprises bringing cyclohexanes, in a heated state, into contact with the catalyst described... | 06/02/1981 |
| 4268707 | Hydrocarbon dehydrogenation with a nonacidic multimetallic catalytic composite Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at dehydrogenation conditions, with a nonacidic catalytic composite comprising a combination of catalytically effective amounts of a platinum group component, a cobalt component, a lanth... | 05/19/1981 |
| 4244809 | Hydrocarbon conversion using titanium clusters and noble metal on alumina catalyst A novel catalyst precursor which comprises a Group IV-B transition metal oxide deposited on the surface of an inorganic metal oxide support, preferably alumina; especially where the Group IV-B transition metal oxide is deposited on the support surface as ... | 01/13/1981 |
| 4243826 | Hydrocarbon dehydrogenation with a nonacidic multimetallic catalytic composite Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at dehydrogenation conditions, with a nonacidic catalytic composite comprising a combination of catalytically effective amounts of platinum group component, a cobalt component, a cadmium... | 01/06/1981 |
| 4237070 | Novel process for preparing aniline by catalytic reaction of vinyl cyclohexene and nitrobenzene A nitrohydrocarbon, typified by nitrobenzene, is reacted with a hydrocarbon such as 4-vinyl-1-cyclohexene at 70° C.-360° C. and 0-500 psig to give product stream containing aniline, ethylbenzene, and styrene; heterogeneous catalyst contains Group VIII n... | 12/02/1980 |
| 4235701 | Aromatics from dripolene In an olefin plant in which ethylene, propylene and butenes are prepared, a dripolene fraction is recovered, hydrogenated and a C6 -C7 hydrogenated hydrocarbon stream derived from such hydrogenated dripolene is aromatized in the pres... | 11/25/1980 |
| 4233244 | Novel technique for reacting vinyl cyclohexene with nitrobenzene in the presence of a hydrogen-transfer catalyst Vinyl cyclohexene is reacted with nitrobenzene to produce ethylbenzene, aniline, and styrene at 170° C.-360° C. in the presence of a hydrogen transfer catalyst typified by palladium acetylacetonate optionally containing cobalt acetylacetonate or copper ... | 11/11/1980 |
| 4227026 | Dehydrogenation method and nonacidic multimetallic catalytic composite for use therein Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at dehydrogenation conditions, with a catalytic composite comprising a combination of catalytically effective amounts of a platinum group component, a cobalt component, and a uranium com... | 10/07/1980 |
| 4216346 | Hydrocarbon dehydrogenation method employing platinum-cobalt-zinc catalyst Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at dehydrogenation conditions, with a catalytic composite comprising a combination of catalytically effective amounts of a platinum group component, a cobalt component, and a zinc compon... | 08/05/1980 |
| 4210523 | Hydrocarbon conversion with a superactive multimetallic catalytic composite containing two different types of rhenium sites Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with a novel superactive multimetallic catalytic composite comprising a reduced combination of a catalytically effective amount of an adsorbed rhenium-oxygen complex with a... | 07/01/1980 |
