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Class Information
Number: 585/262
Name: Chemistry of hydrocarbon compounds > Adding hydrogen to unsaturated bond of hydrocarbon, i.e., hydrogenation > Hydrocarbon is contaminant in desired hydrocarbon > Hydrogenation of diolefin or triple bond > Using s or group i or ii transition metal-containing catalyst
Description: Subject matter employing a catalyst which contains sulfur, copper, silver, gold, zinc, cadmium, or mercury.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7390933 |
Reduction of the Bromine Index of linear alkylbenzenes |
Jun. 24, 2008 |
| 7385097 |
Process for the purification of a diolefin hydrocarbon stream |
Jun. 10, 2008 |
| 7301062 |
Process for the selective hydrogenation of alkynes and/or dienes in an olefin-containing hydrocarbon stream |
Nov. 27, 2007 |
| 7297824 |
Ni hydrogenation catalysts, manufacture and use |
Nov. 20, 2007 |
| 7208646 |
Selective hydrogenation of butadiene |
Apr. 24, 2007 |
| 7199273 |
Selective hydrogenation of alkynes and/or diolefins |
Apr. 3, 2007 |
| 7041860 |
Process for the selective hydrogenation of alkynes |
May. 9, 2006 |
| 7009085 |
Selective hydrogenation catalyst and processes therefor and therewith |
Mar. 7, 2006 |
| 6949686 |
Pyrolysis gasoline stabilization |
Sep. 27, 2005 |
| 6858766 |
Process for selectively hydrogenating mixed phase front end C2-C10 greater unsaturated hydrocarbons |
Feb. 22, 2005 |
| 6830678 |
Process of desulphurizing gasoline comprising desulphurization of the heavy and intermediate fractions resulting from fractionation into at least three cuts |
Dec. 14, 2004 |
| 6822127 |
Selective hydrogenation catalyst for selectively hydrogenating of unsaturated olefin, process for preparing the same and its use |
Nov. 23, 2004 |
| 6759562 |
Olefin plant recovery system employing a combination of catalytic distillation and fixed bed catalytic steps |
Jul. 6, 2004 |
| 6747181 |
Process for the hydrogenation of phenyl acetylene in a styrene-containing medium with the aid of a catalyst |
Jun. 8, 2004 |
| 6734328 |
Process for the selective hydrogenation of alkynes |
May. 11, 2004 |
| 6689926 |
Process for purifying styrene monomer feedstock prior to polymerization |
Feb. 10, 2004 |
| 6686510 |
Production of high-purity isobutene and propylene from hydrocarbon fractions with four carbon atoms |
Feb. 3, 2004 |
| 6632414 |
Mini-structured catalyst beds for three-phase chemical processing |
Oct. 14, 2003 |
| 6583260 |
Functionalized diene monomers and polymers containing functionalized dienes and methods for their preparation |
Jun. 24, 2003 |
| 6512151 |
Process for the purification and production of a diolefin hydrocarbon stream |
Jan. 28, 2003 |
| 6469223 |
Selective hydrogenation of dienes |
Oct. 22, 2002 |
| 6410811 |
Selective hydrogenation process comprising partial separation of hydrogen by a membrane upstream of a reactive column |
Jun. 25, 2002 |
| 6388162 |
Diene removal from an olefin feedstock |
May. 14, 2002 |
| 6344538 |
Functionalized diene monomers and polymers containing functionalized dienes and methods for their preparation |
Feb. 5, 2002 |
| 6297415 |
Catalytic distillation process |
Oct. 2, 2001 |
| 6278033 |
Catalyst and process for purifying streams of materials |
Aug. 21, 2001 |
| 6255548 |
Process for selective hydrogenation of unsaturated compounds |
Jul. 3, 2001 |
| 6127588 |
Hydrocarbon hydrogenation catalyst and process |
Oct. 3, 2000 |
| 6118034 |
Process for the selective hydrogenation of dienes in reformate flows |
Sep. 12, 2000 |
| 6100373 |
Functionalized diene monomers and polymers containing functionalized dienes and methods for their preparation |
Aug. 8, 2000 |
| 6096933 |
Hydrocarbon hydrogenation and catalyst therefor |
Aug. 1, 2000 |
| 6075173 |
Process for production of isobutene and propylene from hydrocarbon cuts containing four carbon atoms |
Jun. 13, 2000 |
| 5877364 |
Process for the simultaneous selective hydrogenation of diolefins and nitriles in multiple reactor units |
Mar. 2, 1999 |
| 5866734 |
Hydrogenation process |
Feb. 2, 1999 |
| 5821397 |
Process for the hydrogenation of diolefins in aromatic-rich hydrocarbons using metallic catalysts impregnated with organic sulphur-containing compounds |
Oct. 13, 1998 |
| 5817589 |
Regeneration of catalyst comprising flushing with inert gas followed by flushing with hydrogen |
Oct. 6, 1998 |
| 5698752 |
Selective hydrogenation process |
Dec. 16, 1997 |
| 5679241 |
Olefin plant recovery system employing catalytic distillation |
Oct. 21, 1997 |
| 5639926 |
Process for producing a branched chain olefin by isomerization and transhydrogenation |
Jun. 17, 1997 |
| 5595634 |
Process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams |
Jan. 21, 1997 |
| 5583274 |
Alkyne hydrogenation process |
Dec. 10, 1996 |
| 5510550 |
Selective acetylene hydrogenation |
Apr. 23, 1996 |
| 5417844 |
Selective hydrogenation of diolefins in steam cracking petrol on catalysts based on a support metal in which an organic compound has been incorporated prior to loading into the reactor |
May. 23, 1995 |
| 5208405 |
Selective hydrogenation of diolefins |
May. 4, 1993 |
| 5030779 |
Hydrogenation catalyst and hydrogenation process wherein said catalyst is used |
Jul. 9, 1991 |
| 4910356 |
Acid catalyzed reduction |
Mar. 20, 1990 |
| 4761509 |
High selectivity process for dehydrogenation of paraffinic hydrocarbons |
Aug. 2, 1988 |
| 4727202 |
Process for the production of catalytically-active metallic glasses |
Feb. 23, 1988 |
| 4705906 |
Selective hydrogenation of acetylene |
Nov. 10, 1987 |
| 4695560 |
Catalyst for the selective hydrogenation of diolefinic hydrocarbons |
Sep. 22, 1987 |
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