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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:
1 2 3

Patent Number Title Of Patent Date Issued
8431760 Hydrocarbon conversion using an improved molecular sieve Apr. 30, 2013
8309778 Catalyst and process for producing light aromatic hydrocarbons and light alkanes from hydrocarbonaceous feedstock Nov. 13, 2012
8304593 Hydrocarbon conversion using an improved molecular sieve Nov. 6, 2012
8273935 Selective aromatics isomerization process Sep. 25, 2012
8247630 Process for C8 alkylaromatic isomerization Aug. 21, 2012
8138385 Process for xylene and ethylbenzene isomerization using UZM-35HS Mar. 20, 2012
8128805 Catalyst, catalyst support and process for hydrogenation, hydroisomerization, hydrocracking and/or hydrodesulfurization Mar. 6, 2012
8097764 Methods of isomerizing xylenes with a catalyst reduced in the presence of hydrogen and a base Jan. 17, 2012
8058496 Process for xylene and ethylbenzene isomerization using UZM-35 Nov. 15, 2011
8022263 Selective aromatics isomerization process Sep. 20, 2011
7982083 Catalyst comprising an EUO zeolite, a 10 MR zeolite and a 12 MR zeolite, and its use in isomerizing aromatic C8 compounds Jul. 19, 2011
7939701 Aromatic isomerization catalyst and a process of use thereof May. 10, 2011
7893309 Process for isomerizing an aromatic C8 cut in the presence of a catalyst based on a dealuminated EUO zeolite Feb. 22, 2011
7872166 Process for isomerizing aromatic C8 compounds in the presence of a catalyst comprising a modified EUO zeolite Jan. 18, 2011
7851665 Catalyst comprising a zeolite with structure type NES and a zeolite with structure type EUO, and use in isomerizing C8 aromatic compounds Dec. 14, 2010
7745677 Aromatic isomerization catalyst and isomerization process Jun. 29, 2010
7745678 Alkyl aromatic isomerization process using a catalyst comprising a UZM-8HS composition Jun. 29, 2010
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

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