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Class Information
Number: 502/41
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 > In gaseous suspension (e.g., fluidized bed, etc.)
Description: Process wherein particles of material are contacted by a column of gas rising at a velocity which supports them in a state of turbulence.

Sub-classes under this class:

Class Number Class Name Patents
502/42 And substantially complete oxidation of carbon monoxide to carbon dioxide within regeneration zone 137
502/44 Indirectly heating or cooling spent material within regeneration zone or prior to entry into regeneration zone 66
502/43 Plural distinct serial combustion stages 107

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8680000 Process and vessel for regenerating a reforming catalyst Mar. 25, 2014
8673801 Process for regenerating a reforming catalyst Mar. 18, 2014
8647998 Catalyst regeneration apparatus and associated regeneration process Feb. 11, 2014
8618011 Systems and methods for regenerating a spent catalyst Dec. 31, 2013
8618012 Systems and methods for regenerating a spent catalyst Dec. 31, 2013
8575053 Process for regenerator mixing Nov. 5, 2013
8563455 Process for regenerating catalyst Oct. 22, 2013
8551326 Process for catalytic cracking with fine control of the residual coke content on the catalyst after regeneration Oct. 8, 2013
8415264 Process for regenerating catalyst in a fluid catalytic cracking unit Apr. 9, 2013
8372770 Reformer regeneration process Feb. 12, 2013
8173567 Process for regenerating catalyst May. 8, 2012
8088705 Process for sulfurization or presulfurization of solid particles of a catalyst or an adsorbent Jan. 3, 2012
7951740 Method of inhibiting in situ silicate formation in desulfurization sorbents May. 31, 2011
7951739 Bathtub-type spent catalyst distributor for effective counter-current regeneration in fluid catalytic cracking units May. 31, 2011
7935314 Apparatus for mixing regenerated and carbonized catalyst May. 3, 2011
7932204 Method of regenerating catalyst in a fluidized catalytic cracking unit Apr. 26, 2011
7915191 Three-stage counter-current FCC regenerator Mar. 29, 2011
7906697 Method of circulating catalyst between a catalyst regenerator and an external catalyst cooler Mar. 15, 2011
7816294 Methods and configurations for catalyst regeneration Oct. 19, 2010
7799287 Apparatus and process for regenerating catalyst Sep. 21, 2010
7749762 Test methods for simulating FCC regenerator catalysis and catalyst deactivation Jul. 6, 2010
7745365 Bathtub-type spent catalyst distributor for effective counter-current regeneration in fluid catalytic cracking units Jun. 29, 2010
7655589 Process and apparatus for the regeneration of spent FCC catalyst Feb. 2, 2010
7582587 Passivation of sulphur hydroconversion catalyst Sep. 1, 2009
7470644 Process for combusting coke Dec. 30, 2008
7459595 Processes for lifting spent catalyst into a regenerator in an oxygenate to olefins reaction system Dec. 2, 2008
7452838 Controlling temperature in catalyst regenerators Nov. 18, 2008
7419929 Critical phase alkylation process Sep. 2, 2008
7217401 Mercury removal from activated carbon and/or fly ash May. 15, 2007
7199069 Method for destruction of organic compounds by co-oxidation with activated carbon Apr. 3, 2007
7172685 Desulfurization system with novel sorbent transfer mechanism Feb. 6, 2007
7148171 Method for adding heat to a reactor system used to convert oxygenates to olefins Dec. 12, 2006
7053260 Reducing temperature differences within the regenerator of an oxygenate to olefin process May. 30, 2006
7026262 Apparatus and process for regenerating catalyst Apr. 11, 2006
6838487 Method and apparatus for regenerating an iron-based Fischer-Tropsch catalyst Jan. 4, 2005
6827908 Standpipe inlet for enhancing particulate solids circulation for petrochemical and other processes Dec. 7, 2004
6812179 Process for regenerating a slurry fischer-tropsch catalyst Nov. 2, 2004
6809054 FCC spent catalyst distributor Oct. 26, 2004
6776607 Process for minimizing afterburn in a FCC regenerator Aug. 17, 2004
6635795 Desulfurization with improved sorbent regeneration Oct. 21, 2003
6610255 Vanadium removal in FCC by use of an outboard vessel Aug. 26, 2003
6602476 Apparatus and process for heat exchange with fluid beds Aug. 5, 2003
6579820 Reactor modifications for NOx reduction from a fluid catalytic cracking regeneration vessel Jun. 17, 2003
6566539 Catalyst regeneration by treatment with an oxidizing agent May. 20, 2003
6544410 Desulfurization with improved sorbent regeneration Apr. 8, 2003
RE37842 Regenerating zeolitic cracking catalyst Sep. 17, 2002
RE37789 Regenerating zeolitic cracking catalyst Jul. 16, 2002
6403515 Process for treating a catalyst or an adsorbent in a fluidized bed Jun. 11, 2002
6242167 Developer for use with carbonless copy paper and photo imaging systems Jun. 5, 2001
6121180 Precombustion of halogen-containing compounds in catalyst regeneration processes Sep. 19, 2000

1 2 3 4 5

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