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| Number | Title | Issue Date |
| 7429685 | Method for the isomerisation of a C5-C8 fraction involving two parallel reactors The invention relates to a method of isomerising a charge comprising hydrocarbons containing between 5 and 8 carbon atoms per molecule. According to the invention, said charge is separated into at least two fractions: fraction A mostly comprising hydrocarbons contai... | 09/30/2008 |
| 7326819 | High-activity isomerization catalyst and process A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component of... | 02/05/2008 |
| 7022889 | Isomerization process using novel catalyst A process for the isomerization of a feedstream comprising C5–C6 hydrocarbons where the process involves charging hydrogen and a feedstream comprising at least normal C5–C6 hydrocarbons into an isomerization zone and c... | 04/04/2006 |
| 7015175 | High-activity isomerization catalyst and process A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component of... | 03/21/2006 |
| 6979396 | Combination reforming and isomerization process A reforming and isomerization process has been developed. A reforming feedstream is charged to a reforming zone containing a reforming catalyst and operating at reforming conditions to generate a reforming zone effluent. Hydrogen and an isomerization feedstream is c... | 12/27/2005 |
| 6927188 | High-activity isomerization catalyst and process A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component of... | 08/09/2005 |
| 6673977 | Procedure and device for the alkylation of isobutane by light olefins A procedure for the alkylation of isobutane by olefinic hydrocarbons, in which a first hydrocarbon charge (3) rich in isobutane is put in contact with a second hydrocarbon charge rich in light olefins (2), under conditions that will provoke the alkylation... | 01/06/2004 |
| 6495733 | Superacid catalyst for the hydroisomerization of n-paraffins A superacid catalyst comprising: zirconium oxide on whose surface sulfate groups are present, in a quality corresponding to total coverage of the surface of the zirconium oxide by means of a monolayer of these sulfate groups, optionally containing a noble... | 12/17/2002 |
| 6140547 | Isomerization of hydrocarbons An isomerization process for converting an isomerization feed stream containing alkanes having about 4 carbon atoms to about 10 carbon atoms per molecule and cycloalkanes having about 5 carbon atoms to about 10 carbon atoms per molecule to at least one pr... | 10/31/2000 |
| 5792897 | Hydrocardon recovery from corrosive effluent stream An adsorption arrangement in combination with a catalytic hydrocarbon conversion process suspends non-hydrocarbon materials that act to enhance the operation of the conversion zone by using an adsorption zone arrangement to keep the compounds in recircula... | 08/11/1998 |
| 5705730 | Isomerization process with improved chloride recovery A process for the isomerization of hydrocarbons using a chloride promoted catalyst wherein an adsorption zone arrangement operates to maintain chloride compounds in the reaction zone and to prevent contamination of product streams with chloride compounds ... | 01/06/1998 |
| 5557029 | Isomerization of saturated hydrocarbons In a process for isomerizing saturated C4- C10 hydrocarbons (preferably n-pentane) in the presence of a platinum/zeolite catalyst, wherein sulfur compounds are present in the feed as impurities and cause catalyst deactivating, at lea... | 09/17/1996 |
| 5516963 | Hydrocarbon conversion with additive loss prevention An adsorption arrangement in combination with a catalytic hydrocarbon conversion process suspends non-hydrocarbon materials that act to enhance the operation of the conversion zone by using an adsorption zone arrangement to keep the compounds in recircula... | 05/14/1996 |
| 5336834 | Hydrocarbon conversion with additive loss prevention An adsorption arrangement in combination with a catalytic hydrocarbon conversion process suspends non-hydrocarbon materials that act to enhance the operation of the conversion zone by using an adsorption zone arrangement to keep the compounds in recircula... | 08/09/1994 |
| 5245103 | Isomerization processes and catalysts therefor In one embodiment, C4 -C10 alkanes and/or C5 -C10 cycloalkanes are isomerized in the presence of a catalyst which has been prepared by heating AlCl3, at least one aluminum sulfate-containing support m... | 09/14/1993 |
| 5073666 | Hydrocarbon synthesis from lower alkanes at advanced temperatures and high pressures Upon a pressure vessel reactor, lower alkanes such as methane and propane subjected to temperatures of up to 800 K and pressures up to 70,000 psi (467 MPa), isomerize even in the absence of catalyst to produce a variety of alkanes, alkenes, cycloalkanes a... | 12/17/1991 |
| 4424387 | Adamantyl carboxylic and sulfonic acid catalyzed paraffin isomerization A process is described for paraffin isomerization under strong acid conditions in which an adamantyl carboxylic acid or sulfonic acid is used to substantially increase the reaction rate of the isomerization.... | 01/03/1984 |
| 4357484 | Adamantane catalyzed paraffin isomerization A process is described for non-cyclic paraffin isomerization under strong acid conditions in which an adamantane hydrocarbon is used to substantially increase the reaction rate of the isomerization.... | 11/02/1982 |
| 4357483 | Aminoalkyladamantane catalyzed araffin isomerization A process is described for paraffin isomerization under strong acid conditions in which in aminoalkyladamantane is used to substantially increase the reaction rate of the isomerization.... | 11/02/1982 |
| 4229611 | Isomerization alkylation systems Novel acid systems are disclosed which are characterized as being capable of stabilizing high concentrations of tertiary cations, e.g., t-butyl cation, and further characterized as capable of forming carbonium ion salts containing both dimeric and monomer... | 10/21/1980 |
| 4206041 | Hydrocarbon conversion with a sulfided and attenuated superactive multimetallic catalytic composite Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with a novel sulfided and attenuated superactive multimetallic catalytic composite comprising a sulfided combination of a catalytically effective amount of a pyrolyzed rhen... | 06/03/1980 |
| 4206040 | Hydrocarbon conversion with an attenuated superactive multimetallic catalytic composite Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with a novel attenuated superactive multimetallic catalytic composite comprising a combination of a catalytically effective amount of a pyrolyzed rhenium carbonyl component... | 06/03/1980 |
| 4197188 | Hydrocarbon conversion with an attenuated superactive multimetallic catalytic composite Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with a novel attenuated superactive multimetallic catalytic composite comprising a combination of a catalytically effective amount of a pyrolyzed rhenium carbonyl component... | 04/08/1980 |
| 3956413 | Hydrocarbon isomerization catalyst and process A hydrocarbon isomerization catalyst composition, comprising a combination of catalytically effective amounts of a platinum or palladium component, an iridium component, a germanium component, a halogen component and a Friedel-Crafts metal halide componen... | 05/11/1976 |
| 3948761 | Isomerization of aliphatic hydrocarbons Acyclic and alicyclic aliphatic hydrocarbons are isomerized by contacting the same with hydrogen in the presence of a difficultly reduceable metal halide in combination with at least a molar equivalent of hydrogen halide. The preferred catalyst system is ... | 04/06/1976 |
