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| Number | Title | Issue Date |
| 7893312 | Cparaffin isomerisation process and catalyst therefore There is provided a process for selective isomerisation of C4+ paraffins using a catalyst comprising mixed aluminium, tungsten and zirconium oxides, and a hydrogenation/dehydrogenation component, such as palladium or other Group VIII metals. The feed may ... | 02/22/2011 |
| 7399896 | 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 tungstated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a phosphorus compo... | 07/15/2008 |
| 7368626 | Method of isomerizing hydrocarbon A hydrocarbon isomerization method of making hydrocarbons containing at least 50 wt. % of saturated hydrocarbons having 7 and 8 carbon atoms (so-called heavy naphtha) come into contact, in the presence of hydrogen, with a solid acid catalyst containing a platinum gr... | 05/06/2008 |
| 7365040 | Catalysts A process for preparing a cobalt-based Fischer-Tropsch synthesis catalyst includes introducing a soluble modifying component precursor of the formula Mc(OR)x, where Mc is a modifying component selected from the group comprising Si, Ti, Cu, Zn, Zr, Mn, Ba,... | 04/29/2008 |
| 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 |
| 7241375 | Heavy hydrocarbon composition with utility as a heavy lubricant base stock A heavy hydrocarbon composition with utility as a heavy hydrocarbon base stock comprising at least 95 wt % paraffin molecules, of which at least 90 wt % are isoparaffin, containing hydrocarbon molecules having consecutive numbers of carbon atoms, is a liquid at 100Â... | 07/10/2007 |
| 7201838 | Oxygenate treatment of dewaxing catalyst for greater yield of dewaxed product Fischer-Tropsch hydrocarbon synthesis using a cobalt catalyst is used to produce waxy fuel and lubricant oil hydrocarbons from synthesis gas derived from natural gas. The waxy hydrocarbons are hydrodewaxed, with reduced conversion to lower boiling hydrocarbons, by c... | 04/10/2007 |
| 7132042 | Production of fuels and lube oils from fischer-tropsch wax Dewaxed fuel and lubricant base stocks are made by (a) producing a synthesis gas from natural gas, (b) reacting the H2 and CO in the gas in the presence of a cobalt Fischer-Tropsch catalyst, at reaction conditions effective to synthesize a waxy hydrocarbo... | 11/07/2006 |
| 7041866 | Solid-acid 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 co... | 05/09/2006 |
| 7026268 | Solid acid catalyst containing platinum group metal component and method for preparation thereof The present invention provides a concentration distribution for a platinum group metal component in a catalyst with which catalyst activity can be increased, and to provide a method for supporting a platinum group metal with which this concentration distribution can... | 04/11/2006 |
| 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 |
| 7019183 | Process for producing adamantane compound It is made possible to efficiently produce adamantane and analogues thereof, namely a hydrocarbon having an adamantane structure by a process which comprises isomerizing a tricyclic saturated hydrocarbon having ten or more carbon atoms in the presence of a solid-aci... | 03/28/2006 |
| 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 |
| 6977322 | Isomerization catalyst and processes 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 tungstated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component ... | 12/20/2005 |
| 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 |
| 6881873 | 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... | 04/19/2005 |
| 6784328 | Process for producing adamantane compound The invention relates to a method of selectively producing adamantanes in a production apparatus made of an inexpensive material, not having any negative influence on the natural environment. The method for producing adamantanes includes isomerizing a tricyclic satu... | 08/31/2004 |
| 6723889 | Process for producing a highly paraffinic diesel fuel having a high iso-paraffin to normal paraffin mole ratio A process for producing a diesel fuel having at least 70% C10+ paraffins, wherein the iso-paraffin to normal paraffin mole ratio is 5:1 and higher. This diesel fuel is produced by from a feed containing at least 40% C10+ normal paraffins and at... | 04/20/2004 |
| 6670516 | Process for producing phenyl-alkanes using olefin isomerization and paraffin recycle A process for producing phenyl-alkanes by paraffin dehydrogenation followed by olefin isomerization and then by alkylation of a phenyl compound by a lightly branched olefin is disclosed. An effluent of the alkylation section comprises paraffins that are r... | 12/30/2003 |
| 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 |
| 6420305 | Solid acid catalyst, method for producing the same and reaction method using the same A method for producting a solid acid catalyst is provided which produces a shaped material of a solid acid catalyst containing a sulfureous component but have a high activity and having a practically sufficient handleability and mechanical strength involv... | 07/16/2002 |
| 6355856 | Catalyst based on molybdenum and its use in the isomerization of N-paraffins Catalyst based on molibden and silicon having a surface area ranging from 20 to 400 m2 /g and a molar ratio Mo/Si>0.2 obtainable with a process which comprises: a) dissolving a soluble molibden salt in an aqueous solution containing at least on... | 03/12/2002 |
| 6320089 | Paraffin-isomerization catalyst and process An improved catalyst is disclosed for the conversion of hydrocarbons. The catalyst comprises an alumina support, a Friedel-Crafts metal halide, and a platinum-group metal component, wherein the support comprises primarily eta alumina and a small amount of... | 11/20/2001 |
| 6310265 | Isomerization of paraffins This invention relates to a process for isomerizing paraffins comprising the step of contacting a feed containing paraffins with a catalyst comprising a synthetic porous crystalline material, designated MCM-68, which exhibits a distinctive X-ray diffracti... | 10/30/2001 |
| 6204426 | Process for producing a highly paraffinic diesel fuel having a high iso-paraffin to normal paraffin mole ratio A process for producing a diesel fuel having at least 70% C10+ paraffins, wherein the iso-paraffin to normal paraffin mole ratio is 5:1 and higher. This diesel fuel is produced by from a feed containing at least 40% C10+ normal paraf... | 03/20/2001 |
| 6187981 | Process for producing arylalkanes and arylalkane sulfonates, compositions produced therefrom, and uses thereof The present invention is a process for producing aryl-alkanes by paraffin isomerization followed by paraffin dehydrogenation and then by alkylation of an aryl compound by a lightly branched olefin. The effluent of the alkylation zone comprises paraffins t... | 02/13/2001 |
| 6118036 | Alkane isomerization using reversible flow A process to isomerize at least one normal or mono-methyl-branched alkane to form at least one multi-methyl-branched alkane has been developed. At least one normal or mono-methyl-branched is introduced to a reaction zone to form at least one multi-methyl-... | 09/12/2000 |
| 6080904 | Isomerization process There is provided an isomerization process using a catalyst comprising a hydrogenation/dehydrogenation component, such as a noble metal, and an acidic solid component comprising a Group IVB metal oxide modified with an oxyanion of a Group VIB metal. An ex... | 06/27/2000 |
| 6015932 | Reactivation of a high-activity isomerization catalyst A reactivation process is disclosed for a catalyst formulated to selectively upgrade naphtha to obtain an isoparaffin-rich product for blending into gasoline. The process utilizes a solid strong-acid catalyst comprising an anion-modified metal oxide, pref... | 01/18/2000 |
| 5994607 | Paraffin isomerization process comprising fractionation having at least two draw-off levels associated with at least two isomerization zones The invention concerns a process for isomerising a feed containing essentially hydrocarbons, preferably paraffins containing principally 4 to 8, preferably princiapply to 6 and more principally 5 and/or 6 carbon atoms per molecule, comprising a fractionat... | 11/30/1999 |
| 5990371 | Process for the selective hydroisomerization of long linear and/or slightly branched paraffins using a catalyst based on a molecular sieve The invention concerns a process for the selective hydroisomerisation of compounds containing at least one n-alkane chain containing more than 10 carbon atoms, in which the compound to be treated is brought into contact with a catalyst comprising at least... | 11/23/1999 |
| 5948948 | Paraffin isomerisation process using reactive distillation The invention concerns a process for isomerising a feed containing essentially hydrocarbons, preferably paraffins preferably containing 5 and/or 6 carbon atoms per molecule, in which said feed is treated in a distillation zone comprising an exhausting zon... | 09/07/1999 |
| 5905181 | Process for the isomerization of paraffins A paraffin isomerization process is described and claimed. The process involves contacting the paraffins with an isomerization catalyst at isomerization conditions. Additionally, the process requires the injection of a nitrogen containing compound such as... | 05/18/1999 |
| 5831140 | Isomerization process comprising fractionation having at least two draw-off levels associated with at least two isomerization zones The invention concerns a process for isomerizing a feed containing essentially hydrocarbons, preferably paraffins containing principally 4 to 8, preferably principally 4 to 6 and more preferably principally 5 and/or 6 carbon atoms per molecule, comprising... | 11/03/1998 |
| 5811630 | PSA process with reaction for reversible reactions A process is disclosed for the production of a high octane product from a feed mixture comprising C5 -C6 normal paraffins in which an equilibrium reaction to produce mono and dimethyl branched paraffins is achieved by conducting the ... | 09/22/1998 |
| 5770783 | Alkane isomerization using reversible flow reactive chromatography A process to isomerize at least one normal or mono-methyl-branched alkane containing from about 6 to about 8 carbon atoms to form at least one multi-methyl-branched alkane has been developed. The normal or mono-methyl-branched alkane is introduced to a re... | 06/23/1998 |
| 5648589 | Group VIII metal containing tungsten oxide silica modified zirconia as acid catalyst The invention is directed to a catalyst composition comprising a Group VIII metal, preferably a Group VIII noble metal, and a zirconia support impregnated with silica and tungsten oxide and its use in an isomerization process.... | 07/15/1997 |
| 5648590 | Liquid phase isomerization of alkanes Acyclic hydrocarbons having 4 to 7 carbon atoms per molecule are isomerized in the liquid phase by contact with a solid superacid catalyst comprising sulfated oxide or hydroxide of a metal selected from the group consisting of Group III and Group IV metal... | 07/15/1997 |
| 5625115 | Wax hydroisomerization using a difunctional catalyst A difunctional catalyst is disclosed which is constituted by: (a) silica particles partially coated with zirconia, acidified by means of the introduction of sulfate moieties, (b) one or more metal(s) from Group VIIIA. The preparation of said catalyst and its use in... | 04/29/1997 |
