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Browse by Category: Main > Chemistry
Class Information
Number: 502/30
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Regenerating or rehabilitating catalyst or sorbent > Treating with a liquid or treating in a liquid phase, including dissolved or suspended > Organic liquid > And gas addition thereto
Description: Process which includes the step of subjecting the composition to the action of a gas.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8661788 Exhaust aftertreatment systems that include an ammonia-SCR catalyst promoted with an oxygen storage material Mar. 4, 2014
8609579 Composition capable of radiation activated catalysis and radiation curable urethane containing the composition Dec. 17, 2013
8476180 Regenerating molecular sieve absorbents used for alcohol dehydration Jul. 2, 2013
8148284 Injection of liquid sorbent conditioning into a sorbent transporting passageway Apr. 3, 2012
7884045 Regeneration of ionic liquid catalyst and recovery of an oil Feb. 8, 2011
7847142 HF alkylation process with acid regeneration Dec. 7, 2010
7824574 Cyclic catalytic upgrading of chemical species using metal oxide materials Nov. 2, 2010
7510645 Hydrocracking catalyst containing beta and Y zeolites, and process for its use to produce naphtha Mar. 31, 2009
7491369 Oxidation system with internal secondary reactor Feb. 17, 2009
7172685 Desulfurization system with novel sorbent transfer mechanism Feb. 6, 2007
7115537 Process for the regeneration of zeolite catalysts Oct. 3, 2006
6872678 Process for activating a catalyst containing an S-containing additive Mar. 29, 2005
6685896 Method for recovering rhodium from reaction products of oxosynthesis Feb. 3, 2004
6596661 Process for regenerating a deactivated catalyst Jul. 22, 2003
6565741 Process for desulfurization of petroleum distillates May. 20, 2003
RE37649 Draft tube for catalyst rejuvenation and distribution Apr. 9, 2002
6365761 Process for preparing alkylene oxide Apr. 2, 2002
RE37515 Rejuvenation of hydrocarbon synthesis catalyst Jan. 15, 2002
6284807 Slurry hydrocarbon synthesis process with increased catalyst life Sep. 4, 2001
6222070 Method for reducing EDA in acetic anhydride production Apr. 24, 2001
6162754 Process for regenerating a catalyst contained within a bubble-column reactor with draft-tube and process for the production of a hydrocarbon Dec. 19, 2000
6071843 Process for reactivating catalyst systems containing a platinum group metal Jun. 6, 2000
6015932 Reactivation of a high-activity isomerization catalyst Jan. 18, 2000
5990037 Method of treating spontaneously combustible catalysts Nov. 23, 1999
5986158 Process for alkylating hydrocarbons Nov. 16, 1999
5844005 Hydrocarbon synthesis using reactor tail gas for catalyst rejuvenation Dec. 1, 1998
5811468 Combination gas disengaging downcomer-rejuvenation tube for in-situ slurry catalyst rejuvenation (LAW541) Sep. 22, 1998
5622907 Post-reducing treatment of alcohol synthesis catalysts with carbon dioxide Apr. 22, 1997
5529963 Process for the regeneration of a deactivated, carbon-covered, fine-grained, heat-resistant catalyst Jun. 25, 1996
5516735 Method for stabilizing rhodium compound May. 14, 1996
5397756 Process for the presulphurization of hydrocarbon treatment catalysts Mar. 14, 1995
5391527 Regeneration of a modified alkylation catalyst with hydrogen Feb. 21, 1995
5385875 Method for stabilizing rhodium compound Jan. 31, 1995
5310713 Regeneration of an alkylation catalyst with hydrogen May. 10, 1994
5306681 Method for recovery or maintaining the activity of hydroisomerization catalysts Apr. 26, 1994
5294415 Process for the separation and recovery of rhodium from the products of the oxo synthesis Mar. 15, 1994
5290743 Process for regenerating a deactivated rhodium hydroformylation catalyst system Mar. 1, 1994
5288673 Temperature control in draft tubes for catalyst rejuvenation Feb. 22, 1994
5283216 Rejuvenation of hydrocarbon synthesis catalyst Feb. 1, 1994
5268344 Draft tube for catalyst rejuvenation and distribution Dec. 7, 1993
5260239 External catalyst rejuvenation system for the hydrocarbon synthesis process Nov. 9, 1993
5212128 Method for recovering or maintaining the activity of hydroisomerization catalysts May. 18, 1993
5209840 Separation of active catalyst particles from spent catalyst particles by air elutriation May. 11, 1993
5206000 Process for the recovery of rhodium from aqueous solutions containing rhodium complexes Apr. 27, 1993
5155073 Demetallization of hydrocarbon conversion catalysts Oct. 13, 1992
5124291 Method for deagglomerating and re-exposing catalyst in a fluid bed reactor Jun. 23, 1992
5017535 Process for the preparation of a presulfided and sulfided catalyst May. 21, 1991
4999326 Palladium catalyst reactivation Mar. 12, 1991
4935550 Catalytic metal recovery from non-polar organic solutions Jun. 19, 1990
4914237 Alkylation of toluenediamine and para-phenylenediamine with isobutylene in the presence of acidic, crystalline molecular sieves Apr. 3, 1990

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