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Browse by Category: Main > Chemistry
Class Information
Number: 502/50
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Regenerating or rehabilitating catalyst or sorbent > Gas or vapor treating > Treating with free oxygen containing gas > Reactive gas treating after oxidation
Description: Process in which, subsequent to the gaseous oxidation, the spent material is subjected to reaction with a nonoxidizing gas.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8431507 Process for regenerating a catalyst Apr. 30, 2013
8268267 Process for the extraction of specific transition metals Sep. 18, 2012
7906448 Moving bed catalyst regeneration apparatus with integral CO oxidation zone and method of use to accelerate coke burning Mar. 15, 2011
7727380 Process for heating regeneration gas Jun. 1, 2010
7604784 Process for the extraction of specific transition metals with gaseous HCL Oct. 20, 2009
7405174 Process for regeneration of a catalyst that contains an EUO-structural-type zeolite Jul. 29, 2008
7223710 Cyclic catalyst regeneration process using a circulating stream for desorption May. 29, 2007
7045477 Process for continuously regenerating catalyst particles May. 16, 2006
6965057 Oxygenate to olefin process Nov. 15, 2005
6916756 Regeneration of a dehydrogenation catalyst Jul. 12, 2005
6790802 Cyclic catalyst regeneration process using adsorption and desorption on vent stream Sep. 14, 2004
6784132 Cyclic catalyst regeneration process using adsorption and desorption Aug. 31, 2004
6472340 Catalytic reforming catalyst activation Oct. 29, 2002
RE37842 Regenerating zeolitic cracking catalyst Sep. 17, 2002
RE37789 Regenerating zeolitic cracking catalyst Jul. 16, 2002
6147022 Process for degraded-mode regeneration of a catalyst Nov. 14, 2000
6110857 Method of minimizing iron contamination during catalyst regeneration processes Aug. 29, 2000
6093670 Carbon monoxide oxidation catalyst and process therefor Jul. 25, 2000
6077983 Method for reactivating ruthenium catalyst Jun. 20, 2000
6034019 Method of minimizing iron contamination during catalyst regeneration processes Mar. 7, 2000
5965473 Cyclic catalytic hydrocarbon conversion process with reduced chloride emissions Oct. 12, 1999
5854162 Offsite regeneration process for a catalyst containing at least one precious metal Dec. 29, 1998
5728918 Catalyst treatment Mar. 17, 1998
5585316 Catalyst treatment Dec. 17, 1996
5393717 Regeneration of noble metal containing zeolite catalysts via partial removal of carbonaceous deposits Feb. 28, 1995
5391292 Cyclic reforming catalyst regeneration Feb. 21, 1995
5378669 Method for treating a catalyst Jan. 3, 1995
5358630 Regenerating zeolitic cracking catalyst Oct. 25, 1994
5256612 Method for treating a catalyst Oct. 26, 1993
5180700 Regeneration and extension of lifetime of dehydrogenation catalysts used in the preparation of 2-alkylpyrimidines Jan. 19, 1993
5155073 Demetallization of hydrocarbon conversion catalysts Oct. 13, 1992
5155075 Low temperature regeneration of coke deactivated reforming catalysts Oct. 13, 1992
5084092 Method of separating metals from catalyst material Jan. 28, 1992
5081083 Method of treating intermetallic alloy hydrogenation/oxidation catalysts for improved impurity poisoning resistance, regeneration and increased activity Jan. 14, 1992
5073529 Method of regenerating a nonacidic zeolite catalyst Dec. 17, 1991
5004717 Process for in-situ regeneration of aged methanol catalysts Apr. 2, 1991
4996387 Dehydrogenation process Feb. 26, 1991
4978650 Desensitizing activated carbon sorbents to the effects of humidity Dec. 18, 1990
4952543 Process for dispersing or redispersing a Group VIII noble metal species on a porous inorganic support Aug. 28, 1990
4902849 Dehydrogenation process Feb. 20, 1990
4855267 Regeneration of methanol dissociation catalysts Aug. 8, 1989
4849385 Process for dispersing or redispersing a group VIII noble metal species on a porous inorganic support Jul. 18, 1989
4829036 Regeneration process for spent SO.sub.2 -NO.sub.X sorbents May. 9, 1989
4822760 Process of regenerating palladium salt catalysts Apr. 18, 1989
4786402 Preparation of medicinal white oils and medicinal paraffins Nov. 22, 1988
4769128 Regeneration and reactivation of reforming catalysts avoiding iron scale carryover from the regenerator circuit to the reactors Sep. 6, 1988
4752595 Catalyst pretreatment for regenerated noble metal on zeolite catalyst Jun. 21, 1988
4744962 Process for the reduction of ammonia in regeneration zone off gas by select addition of NO.sub.x to the regeneration zone or to the regeneration zone off gas May. 17, 1988
4719189 Reactivation of noble metal-containing zeolite catalyst materials Jan. 12, 1988
4666584 Method for passivating cracking catalyst May. 19, 1987

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