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Class Information
Number: 502/20
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Regenerating or rehabilitating catalyst or sorbent
Description: Process of treating a composition , which has been in use, to restore it to a state of intended function by (a) removing accumulated extraneous material, (b) replacing a lost essential or perfecting component, (c) rearranging disturbed elements into a former functionally useful configuration, or (d) subjecting spent material to a force or environment serving to make it again active for its intended function.

Sub-classes under this class:

Class Number Class Name Patents
502/56 By heat 160
502/34 Gas or vapor treating 317
502/21 Including segregation of diverse particles 88
502/22 Treating with a liquid or treating in a liquid phase, including dissolved or suspended 303

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8658557 Catalyst for n-butane oxidation to maleic anhydride Feb. 25, 2014
8642813 Reductive biomass liquefaction Feb. 4, 2014
8636968 Method for UV photolytic separation of pollutant gases from an emission stream Jan. 28, 2014
8614158 Fischer-trospch and oxygenate synthesis catalyst activation/regeneration in a micro scale process Dec. 24, 2013
8563455 Process for regenerating catalyst Oct. 22, 2013
8557879 Process for production of activated Fischer-Tropsch synthesis catalyst, and process for production of hydrocarbon Oct. 15, 2013
8557725 Method for manufacturing a regenerated Fischer-Tropsch synthesis catalyst, and hydrocarbon manufacturing method Oct. 15, 2013
8551326 Process for catalytic cracking with fine control of the residual coke content on the catalyst after regeneration Oct. 8, 2013
8544527 Method to reduce condensation in a cooling zone of a continuous catalyst regeneration system Oct. 1, 2013
8530366 Protected fischer-tropsch catalyst and method of providing same to a fischer-tropsch process Sep. 10, 2013
8524623 Electrochemical removal of conjunct polymers from chloroaluminate ionic liquids Sep. 3, 2013
8513149 Method for drying regenerated catalyst in route to a propane dehydrogenation reactor Aug. 20, 2013
8507404 Regenerable sulfur traps for on-board vehicle applications Aug. 13, 2013
8507396 Regeneration of acidic catalysts Aug. 13, 2013
8470725 Process for regenerating a catalyst Jun. 25, 2013
8460937 Catalyst formulation for hydrogenation Jun. 11, 2013
8435920 Cyclic catalytic upgrading of chemical species using metal oxide materials May. 7, 2013
8409331 Method and device for purifying air for fuel cells Apr. 2, 2013
8383538 Apparatus and process for treating a hydrocarbon stream Feb. 26, 2013
8377839 Process for the regeneration of catalysts for the treatment of hydrocarbons Feb. 19, 2013
8372770 Reformer regeneration process Feb. 12, 2013
8361919 Process for continuous production of organic carbonates or organic carbamates and solid catalysts therefore Jan. 29, 2013
8361923 Process for producing complex oxide catalyst Jan. 29, 2013
8349264 Continuous catalyst activator Jan. 8, 2013
8349753 Bathtub-type spent catalyst distributor for effective counter-current regeneration in fluid catalytic cracking units Jan. 8, 2013
8293670 Process for the production of propylene Oct. 23, 2012
8262753 Apparatus for generating hydrocarbon fuel Sep. 11, 2012
8178460 Exhaust treatment system and method of operation May. 15, 2012
8158545 Methods, systems, and devices for deep desulfurization of fuel gases Apr. 17, 2012
8128811 Hydroprocessing using rejuvenated supported hydroprocessing catalysts Mar. 6, 2012
8101145 Exhaust treatment system and method of operation Jan. 24, 2012
8084383 Gasoline sulfur reduction catalyst for fluid catalytic cracking process Dec. 27, 2011
8012899 Recycling of ionic liquid catalyst Sep. 6, 2011
8007658 Reduced puffing needle coke from coal tar Aug. 30, 2011
8007659 Reduced puffing needle coke from coal tar distillate Aug. 30, 2011
8007660 Reduced puffing needle coke from decant oil Aug. 30, 2011
7981832 Methods of activating chromium catalysts Jul. 19, 2011
7981825 Fuel cell catalyst regeneration Jul. 19, 2011
7956000 Process for activating a hydrotreating catalyst Jun. 7, 2011
7956002 Ionic liquid catalyst regenerated using a regeneration metal in the presence of added hydrogen Jun. 7, 2011
7951739 Bathtub-type spent catalyst distributor for effective counter-current regeneration in fluid catalytic cracking units May. 31, 2011
7901644 Catalytic gasification process with recovery of alkali metal from char Mar. 8, 2011
7897126 Catalytic gasification process with recovery of alkali metal from char Mar. 1, 2011
7897827 Propylene recovery during regeneration of an oxygenate removal unit Mar. 1, 2011
7884045 Regeneration of ionic liquid catalyst and recovery of an oil Feb. 8, 2011
7858065 Process for producing supported ruthenium and process for producing chlorine Dec. 28, 2010
7858549 Method for regeneration of iron-loaded denox catalysts Dec. 28, 2010
7846869 Process for pre-treating a desulfurization sorbent Dec. 7, 2010
7847142 HF alkylation process with acid regeneration Dec. 7, 2010
7838454 Method and apparatus for desorbing material Nov. 23, 2010

1 2 3 4 5

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