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Class Information
Number: 585/482
Name: Chemistry of hydrocarbon compounds > Aromatic compound synthesis > By isomerization > Using metal oxide- or sulfide-containing catalyst > Pt-group metal containing
Description: Subject matter catalyzed by ruthenium, rhodium, palladium, osmium, iridium, or platinum in free or combined form.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7601881 |
Isomerization catalyst and process |
Oct. 13, 2009 |
| 7525008 |
Process for C8 alkylaromatic isomerization |
Apr. 28, 2009 |
| 7495137 |
Two-stage aromatics isomerization process |
Feb. 24, 2009 |
| 7446237 |
Ethylbenzene conversion and xylene isomerization processes and catalysts therefor |
Nov. 4, 2008 |
| 7425660 |
Ethylbenzene conversion and xylene isomerization processes and catalysts therefor |
Sep. 16, 2008 |
| 7368620 |
Two-stage aromatics isomerization process |
May. 6, 2008 |
| 7326819 |
High-activity isomerization catalyst and process |
Feb. 5, 2008 |
| 7297830 |
Process for isomerizing non-equilibrium xylene-containing feed streams |
Nov. 20, 2007 |
| 7247762 |
Process for xylene isomerization and ethylbenzene conversion |
Jul. 24, 2007 |
| 7166756 |
Method for hydrocarbon isomerization |
Jan. 23, 2007 |
| 7015175 |
High-activity isomerization catalyst and process |
Mar. 21, 2006 |
| 6881873 |
High-activity isomerization catalyst and process |
Apr. 19, 2005 |
| 6858769 |
Lithium aluminate layered catalyst and a selective oxidation process using the catalyst |
Feb. 22, 2005 |
| 6822130 |
Isomerization catalyst with a specific pore size distribution |
Nov. 23, 2004 |
| 6660897 |
Catalyst based on a noble metal with low dispersion, and its use in converting hydrocarbon feeds |
Dec. 9, 2003 |
| 6660896 |
Isomerization of ethylbenzene and xylenes |
Dec. 9, 2003 |
| 6635791 |
Process for pretreating a catalyst based on an EUO zeolite under severe conditions |
Oct. 21, 2003 |
| 6541408 |
Zeolite catalysts having stabilized hydrogenation-dehydrogenation function |
Apr. 1, 2003 |
| 6518472 |
Stabilized dual bed xylene isomerization catalyst system |
Feb. 11, 2003 |
| 6512155 |
Process for the activation of an alkylaromatic isomerization catalyst by water |
Jan. 28, 2003 |
| 6465705 |
Process for isomerizing aromatic C8 cuts in the presence of a catalyst based on mordenite containing at least one group VIII metal and at least one group III metal |
Oct. 15, 2002 |
| 6448459 |
Process for the production of paraxylene that comprises an adsorption stage, a liquid phase isomerization stage and a gas phase isomerization stage with an euo-type zeolite |
Sep. 10, 2002 |
| 6420305 |
Solid acid catalyst, method for producing the same and reaction method using the same |
Jul. 16, 2002 |
| 6388159 |
Xylene isomerization process using UZM-5 and UZM-6 zeolites |
May. 14, 2002 |
| 6355853 |
Selective xylenes isomerization and ethylbenzene conversion |
Mar. 12, 2002 |
| 6350929 |
Process for isomerizing and dehydrogenating using a catalyst activated by sulfurization and passivation with ammonia or precursor thereof |
Feb. 26, 2002 |
| 6337427 |
Process for isomerizing aromatic cuts containing eight carbon atoms using a catalyst containing a zeolite with an EUO type structure |
Jan. 8, 2002 |
| 6323382 |
C8 alkyl aromatic hydrocarbon isomerization process |
Nov. 27, 2001 |
| 6313363 |
Process for isomerizing aromatic compounds containing eight carbon atoms |
Nov. 6, 2001 |
| 6271429 |
Process for isomerizing and dehydrogenating aromatic compounds containing eight carbon atoms with different catalysts |
Aug. 7, 2001 |
| 6222086 |
Aromatics isomerization using a dual-catalyst system |
Apr. 24, 2001 |
| 6198014 |
Process for isomerizing aromatic compounds containing eight carbon atoms comprising a recycle |
Mar. 6, 2001 |
| 6147269 |
Isomerization with an EUO-type catalyst of aromatic compounds with eight carbon atoms followed by a dehydrogenation stage |
Nov. 14, 2000 |
| 6143941 |
Selective xylenes isomerization and ethylbenzene conversion |
Nov. 7, 2000 |
| 6132595 |
Reforming with selective multimetallic multigradient catalyst |
Oct. 17, 2000 |
| 6130363 |
Catalyst with a base of modified MFI zeolite, and its use in the isomerization of a C.sub.8 aromatic cut |
Oct. 10, 2000 |
| 6096193 |
Sulfur-tolerant aromatization catalysts |
Aug. 1, 2000 |
| 6057486 |
Catalyst containing a zeolite EUO and the use of the catalyst in a process for isomerizing aromatic compounds containing 8 carbon atoms per molecule |
May. 2, 2000 |
| 6051744 |
Low pressure hydrodealkylation of ethylbenzene and xylene isomerization |
Apr. 18, 2000 |
| 6028238 |
Xylene isomerization |
Feb. 22, 2000 |
| 6027707 |
NU-88 zeolite, a process for its preparation and catalytic applications thereof |
Feb. 22, 2000 |
| 6015930 |
Method of making 2,6-dimethylnaphthalene from other dimethylnaphthalene isomers and from dimethyltetralins/dimethyldecalins with a methyl group on each ring |
Jan. 18, 2000 |
| 6005154 |
Isomerization process using zeolite SSZ-25 |
Dec. 21, 1999 |
| 5908967 |
Catalyst based on a mordenite zeolite modified with cerium, and its use in the isomerisation of an aromatic C8 cut |
Jun. 1, 1999 |
| 5885443 |
Reforming with selective multimetallic multigradient catalyst |
Mar. 23, 1999 |
| 5877374 |
Low pressure hydrodealkylation of ethylbenzene and xylene isomerization |
Mar. 2, 1999 |
| 5851379 |
Reforming process using monofunctional catalyst containing bismuth |
Dec. 22, 1998 |
| 5755956 |
Stable, high-yield reforming catalyst |
May. 26, 1998 |
| 5705726 |
Xylene isomerization on separate reactors |
Jan. 6, 1998 |
| 5689027 |
Selective ethylbenzene conversion |
Nov. 18, 1997 |
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