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Browse by Category: Main > Chemistry
Class Information
Number: 502/31
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 > Hydrocarbon
Description: Process in which the liquid used comprises a compound composed of only hydrogen and carbon.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8658557 Catalyst for n-butane oxidation to maleic anhydride Feb. 25, 2014
8524073 Surface modified sorbent Sep. 3, 2013
8476180 Regenerating molecular sieve absorbents used for alcohol dehydration Jul. 2, 2013
8470725 Process for regenerating a catalyst Jun. 25, 2013
8455383 Process for catalyst regeneration and extended use Jun. 4, 2013
8435920 Cyclic catalytic upgrading of chemical species using metal oxide materials May. 7, 2013
8361919 Process for continuous production of organic carbonates or organic carbamates and solid catalysts therefore Jan. 29, 2013
8227366 Alkylation system including a catalyst regeneration zone, and a process relating thereto Jul. 24, 2012
8193111 Process or system for desorbing an adsorbent bed Jun. 5, 2012
8187991 Methods for regeneration of adsorbent material May. 29, 2012
8148284 Injection of liquid sorbent conditioning into a sorbent transporting passageway Apr. 3, 2012
8067656 Liquid-liquid separation process via coalescers Nov. 29, 2011
7935229 Extraction of nickel (0) complexes from nitrile mixtures with reduced rag formation May. 3, 2011
7824574 Cyclic catalytic upgrading of chemical species using metal oxide materials Nov. 2, 2010
7790646 Conversion of fine catalyst into coke-like material Sep. 7, 2010
7767609 Method for recovering reforming catalyst, catalyst and adsorbent Aug. 3, 2010
7732363 Regeneration of acidic catalysts Jun. 8, 2010
7576023 Naphtha desulfurization with selectively suppressed hydrogenation Aug. 18, 2009
7449420 Production of alkyl aromatic compounds with catalyst reactivation Nov. 11, 2008
7407905 Method for reactivating catalysts and a method for recycling supercritical fluids used to reactivate the catalysts Aug. 5, 2008
7282151 Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration Oct. 16, 2007
7208440 Method for pretreatment of catalysts with a phosphoric acid base Apr. 24, 2007
7199068 Reactive distillation alkylation process including in situ catalyst regeneration Apr. 3, 2007
7115537 Process for the regeneration of zeolite catalysts Oct. 3, 2006
7087803 Method for the recovery of perfluorinated sulphonic acid Aug. 8, 2006
7074735 Selectively suppressing catalytic hydrogenation Jul. 11, 2006
6982235 Method for regenerating solid catalyst Jan. 3, 2006
6908873 Regeneration of spent supported metal catalysts Jun. 21, 2005
6887813 Method for reactivating solid catalysts used in alkylation reactions May. 3, 2005
6878471 Process for the regeneration of reforming catalysts Apr. 12, 2005
6872678 Process for activating a catalyst containing an S-containing additive Mar. 29, 2005
6790920 Process for removal of silicon compounds from solvents by selective absorption Sep. 14, 2004
6740615 Regeneration of used supported noble metal catalysts May. 25, 2004
6685896 Method for recovering rhodium from reaction products of oxosynthesis Feb. 3, 2004
6683015 Method for reactivating a catalyst composition Jan. 27, 2004
6673239 Hydrocarbon purificatin system regeneration Jan. 6, 2004
6579821 Method for reactivating solid catalysts used in alkylation reactions Jun. 17, 2003
6475943 Catalyst activation process Nov. 5, 2002
6413897 Method for regenerating an alkylation catalyst Jul. 2, 2002
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
6273102 Method of cleaning and maintaining petroleum refining plants Aug. 14, 2001
6232495 Methods for treating cobalt catalyst in oxidation mixtures resulting from oxidation of hydrocarbons to dibasic acids May. 15, 2001
6222059 Process for the manufacture of aliphatic alpha, omega amino nitriles Apr. 24, 2001
6194625 Alkylation by controlling olefin ratios Feb. 27, 2001
6187708 Process for activation of catalysts with a nitrogenous compound and excess thionic compound the catalysts that is obtained and it use in hydroconversion Feb. 13, 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
6110856 Catalysts suitable for preparing aliphatic alpha-, omega-aminonitriles by partial hydrogenation of aliphatic dinitriles Aug. 29, 2000

1 2 3 4










 
 
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