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Class Information
Number: 585/906
Name: Chemistry of hydrocarbon compounds > Catalyst and recycle considerations > Catalyst preservation or manufacture (e.g., activation, etc.) before use
Description: Collection of documents (under unnumbered subclass CATALYST AND RECYCLE CONSIDERATIONS) which disclose an optimum method of preparing a catalyst for use in a particular reaction or a method of preventing catalyst loss in a process.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8563794 Extending the life of an aromatization catalyst Oct. 22, 2013
8436222 Pretreatment of a phosphorus-modified zeolite catalyst for an aromatic alkylation process May. 7, 2013
8389789 Process for the production of olefins Mar. 5, 2013
8314280 Process for the production of olefins Nov. 20, 2012
8288603 Extending the life of an aromatization catalyst Oct. 16, 2012
8158729 Material for producing bioabsorbable material, bioabsorbable material, and process for producing these Apr. 17, 2012
8115041 Pretreatment of a phosphorus-modified zeolite catalyst for an aromatic alkylation process Feb. 14, 2012
8097764 Methods of isomerizing xylenes with a catalyst reduced in the presence of hydrogen and a base Jan. 17, 2012
7977521 Oxygenate to olefins process involving supercritcal conditions Jul. 12, 2011
7875754 Method of improving alkylate yield in an alkylation reaction Jan. 25, 2011
7868217 Extending the life of an aromatization catalyst Jan. 11, 2011
7851664 Methods of isomerizing xylenes with a catalyst reduced in the presence of hydrogen and a base Dec. 14, 2010
7799962 Process for aromatic alkylation Sep. 21, 2010
7750197 Alkylation process using a catalyst comprising a solid acid and a hydrogenation metal Jul. 6, 2010
7732653 Method for producing graphite nanocatalysts having improved catalytic properties Jun. 8, 2010
7674945 Process for alkylation of an aromatic hydrocarbon or isoalkane with an olefin over the catalysis of a solid acid Mar. 9, 2010
7531707 Alkylation process using an alkyl halide promoted ionic liquid catalyst May. 12, 2009
7345213 Protecting catalytic activity of a SAPO molecular sieve Mar. 18, 2008
7326818 Selectivation of molecular sieve catalysts and use therof in hydrocarbon conversion Feb. 5, 2008
7309806 Maintaining molecular sieve catalytic activity under water vapor conditions Dec. 18, 2007
7230152 Process for selective aromatics disproportionation with increased conversion Jun. 12, 2007
7138556 Method for producing aromatic hydrocarbons Nov. 21, 2006
6921831 Modified BiMo catalyst and process for use thereof Jul. 26, 2005
6855855 Aromatics alkylation Feb. 15, 2005
6852901 Process to isomerize 1-butene to 2-butene Feb. 8, 2005
6627780 Catalyst composition and processes therefor and therewith Sep. 30, 2003
6552243 Catalyst and process for aromatic hydrocarbons production from methane Apr. 22, 2003
6482999 Method for improving light olefin selectivity in an oxygenate conversion reaction Nov. 19, 2002
6437210 Mazzite supported catalyst Aug. 20, 2002
6429347 Selective aromatics disproportionation process Aug. 6, 2002
6414208 Process for producing dimetylnaphthalene and alkylnaphthalene with methallosilicate catalyst Jul. 2, 2002
6410812 Process for recovering boron trifluoride from a catalyst complex Jun. 25, 2002
6350929 Process for isomerizing and dehydrogenating using a catalyst activated by sulfurization and passivation with ammonia or precursor thereof Feb. 26, 2002
6313363 Process for isomerizing aromatic compounds containing eight carbon atoms Nov. 6, 2001
6090990 Method of making an improved catalyst containing zeolite treated with boron trichloride, the product from such method, and the use thereof in the conversion of hydrocarbons Jul. 18, 2000
6046373 Catalytic conversion of oxygenates to olefins Apr. 4, 2000
5868922 Analyzer system for strippable hydrocarbon on FCC catalyst Feb. 9, 1999
5863417 Method for analyzing for strippable hydrocarbon on FCC catalyst Jan. 26, 1999
5763720 Transalkylation process for producing aromatic product using a treated zeolite catalyst Jun. 9, 1998
5365010 Method for regenerating Lewis acid-promoted transition alumina catalysts used for isoparaffin alkylation by calcination Nov. 15, 1994
5227552 Process for hydrogenating alkenes in the presence of alkanes and a heterogeneous catalyst Jul. 13, 1993
4982042 Process for manufacture of olefin oligomer Jan. 1, 1991
4717781 Process for the dehydrogenation of dehydrogenatable hydrocarbons Jan. 5, 1988
RE32484 Oxidation catalysts Aug. 25, 1987
RE31647 Startup procedure for reforming catalysts Aug. 14, 1984
4341625 Method for preparing a catalyst carrier, a catalyst containing the carrier, and a hydrocarbon hydrodesulfurization process using the catalyst Jul. 27, 1982
4261810 Startup procedure for reforming catalysts Apr. 14, 1981
4169111 Manufacture of ethylbenzene Sep. 25, 1979
4148749 Regeneration of metal promoted platinum group catalyst by superhalogenating at the end of a hydrocarbon conversion cycle Apr. 10, 1979
4148837 Regeneration of fused salt complex catalyst in hydrocarbon isomerization Apr. 10, 1979

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