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Class Information
Number: 585/489
Name: Chemistry of hydrocarbon compounds > Aromatic compound synthesis > By dealkylation > Using extraneous agent in reaction zone, e.g., catalyst, etc. > And h > Transition metal-containing catalyst
Description: Subject matter catalyzed by a material containing, in free or combined form, a metal in which an inner electron shell, rather than an outer shell, is partially filled.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8609919 Aromatic transformation using UZM-44 aluminosilicate zeolite Dec. 17, 2013
8586809 Purification of transalkylation feedstock Nov. 19, 2013
8574542 ZSM-5, its preparation and use in ethylbenzene dealkylation Nov. 5, 2013
8309778 Catalyst and process for producing light aromatic hydrocarbons and light alkanes from hydrocarbonaceous feedstock Nov. 13, 2012
8168844 Catalytic compositions for the highly selective hydrodealkylation of alkylaromatic hydrocarbons May. 1, 2012
8071832 Method of converting ethylbenzene and process for producing p-xylene Dec. 6, 2011
8071828 Transalkylation of heavy aromatic hydrocarbon feedstocks Dec. 6, 2011
7880045 Process for the catalytic hydrodealkylation of alkylaromatic hydrocarbons Feb. 1, 2011
7723554 Process for the selective catalytic hydrodealkylation of alkylaromatic hydrocarbons May. 25, 2010
7601881 Isomerization catalyst and process Oct. 13, 2009
7563358 Process for the production of benzene, toluene, and xylenes Jul. 21, 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
7304195 Process for increasing production of benzene from hydrocarbon mixture Dec. 4, 2007
7301063 Process for increasing production of light olefin hydrocarbon from hydrocarbon feedstock Nov. 27, 2007
7301064 Ethylbenzene conversion and xylene isomerization processes and catalysts therefor Nov. 27, 2007
7297831 Process of preparing aromatic hydrocarbons and liquefied petroleum gas from hydrocarbon mixture Nov. 20, 2007
7282617 Process of making a highly stable aromatic alkylate suitable for use in making improved additives and surfactants Oct. 16, 2007
RE39222 Process for preparing 2,6-dialkylnaphthalene Aug. 1, 2006
7081556 Aromatics conversion with ITQ-13 Jul. 25, 2006
7041866 Solid-acid isomerization catalyst and process May. 9, 2006
6977322 Isomerization catalyst and processes Dec. 20, 2005
6900365 Process for converting heavy hydrocarbon feeds to high octane gasoline, BTX and other valuable aromatics May. 31, 2005
6746597 Supported noble metal nanometer catalyst particles containing controlled (111) crystal face exposure Jun. 8, 2004
6635792 Process for producing aromatic hydrocarbon compounds and liquefied petroleum gas from hydrocarbon feedstock Oct. 21, 2003
6627780 Catalyst composition and processes therefor and therewith Sep. 30, 2003
6605566 Supported bimetallic catalyst with a strong interaction between a group VIII metal and tin, and its use in a catalytic reforming process Aug. 12, 2003
6593503 Process for making aromatic hydrocarbons using an acid treated zeolite Jul. 15, 2003
6504076 Method of conversion of heavy aromatics Jan. 7, 2003
6207871 High-purity meta-xylene production process Mar. 27, 2001
6133494 Catalyst composition comprising acid-base leached zeolites Oct. 17, 2000
6121501 Process for preparing 2,6-dialkylnaphthalene Sep. 19, 2000
6077984 Process for making zeolite containing zinc borate composition, the composition and the use thereof in hydrocarbon conversion Jun. 20, 2000
6063975 Hydrocarbon conversion catalyst composition and processes therefor and therewith May. 16, 2000
6063974 Silylated water vapor treated zinc or gallium promoted zeolite and use thereof for the conversion of non-aromatic hydrocarbons to olefins and aromatic hydrocarbons May. 16, 2000
6051744 Low pressure hydrodealkylation of ethylbenzene and xylene isomerization Apr. 18, 2000
5998688 Xylene isomerization process using toluene co-feed Dec. 7, 1999
5965782 Zeolite catalyst composition and processes therefor and therewith Oct. 12, 1999
5952535 Selective catalytic conversion of a C.sub.9 aromatic feedstock containing substantial amounts of ethyl substituted aromatic components to a product rich in toluene and/or xylenes Sep. 14, 1999
5929295 Hydrodealkylation and transalkylation of C.sub.9 + aromatic compounds Jul. 27, 1999
5907074 Catalyst composition and processes therefor and therewith May. 25, 1999
5877374 Low pressure hydrodealkylation of ethylbenzene and xylene isomerization Mar. 2, 1999
5866741 Transalkylation/hydrodealkylation of a C.sub.9 + aromatic compounds with a zeolite Feb. 2, 1999
5866742 Transalkylation/hydrodealkylation of C.sub.9 + aromatic compounds with a zeolite Feb. 2, 1999
5865986 Hydrocarbon conversion Feb. 2, 1999
5856613 Method for producing .beta.-methylnaphthalene Jan. 5, 1999
5856609 Aromatic hydrodealkylation process with sulfur oxide containing catalyst Jan. 5, 1999
5856608 Hydrotreating catalyst composition and processes therefor and therewith Jan. 5, 1999
5851379 Reforming process using monofunctional catalyst containing bismuth Dec. 22, 1998
5849969 Hydrodealkylation processes Dec. 15, 1998

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