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Browse by Category: Main > Chemistry
Class Information
Number: 502/26
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 > Using salt or alkaline substance > Ammonia or derivative thereof
Description: Process in which the alkaline material or salt comprises NH3










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8673800 Hydrolysis of used ionic liquid catalyst for disposal Mar. 18, 2014
8614159 Methods of re-using a spent FCC Catalyst Dec. 24, 2013
8470495 Electrode catalyst with improved longevity properties and fuel cell using the same Jun. 25, 2013
8470725 Process for regenerating a catalyst Jun. 25, 2013
8389431 Method for treating SCR catalysts having accumulated iron compounds Mar. 5, 2013
8361923 Process for producing complex oxide catalyst Jan. 29, 2013
8048818 In-situ regeneration of a catalyst masked by calcium sulfate Nov. 1, 2011
8012899 Recycling of ionic liquid catalyst Sep. 6, 2011
7956000 Process for activating a hydrotreating catalyst Jun. 7, 2011
7935229 Extraction of nickel (0) complexes from nitrile mixtures with reduced rag formation May. 3, 2011
7790646 Conversion of fine catalyst into coke-like material Sep. 7, 2010
7754636 Removal of excess metal halides from regenerated ionic liquid catalysts Jul. 13, 2010
7667074 Method for regenerating catalyst for the production of methacrylic acid and process for preparing methacrylic acid Feb. 23, 2010
7592282 Enhancement of alkylation catalysts for improved supercritical fluid regeneration Sep. 22, 2009
7550403 Methods for recovering activity of molecular sieve catalysts Jun. 23, 2009
7550641 Methods for recovering activity of molecular sieve catalysts Jun. 23, 2009
7182926 Process for separating and recovering valuable metals Feb. 27, 2007
7115537 Process for the regeneration of zeolite catalysts Oct. 3, 2006
6891076 Process for the recovery of perfluorinated sulphonic acids from spent acid residue May. 10, 2005
6878654 Reactivation of aromatics alkylation catalysts Apr. 12, 2005
6861383 Catalyst support material and use thereof Mar. 1, 2005
6777369 Process for producing catalyst Aug. 17, 2004
6673732 Process for catalytic ammonia production--preparation and recovery of ammonia synthesis catalyst Jan. 6, 2004
6673733 Method for regenerating heteropolyacid catalyst and method for producing methacrylic acid Jan. 6, 2004
6403514 Process for the regeneration of zeolitic catalysts containing titanium Jun. 11, 2002
6395665 Methods for the regeneration of a denitration catalyst May. 28, 2002
6395664 Process for reactivating a deactivated dehydrocyclodimerization catalyst with water May. 28, 2002
6281157 Self-catalytic bath and method for the deposition of a nickel-phosphorus alloy on a substrate Aug. 28, 2001
6114272 Catalyst of rhodium and a non-aqueous ligand liquid for preparation of aldehydes Sep. 5, 2000
6100210 Method for regenerating a catalyst with a sulphurus active phase and contaminated by a mercury compound Aug. 8, 2000
6066750 High efficiency epoxidation process May. 23, 2000
5958990 Trimerization catalysts for making polyisocyanurate foams Sep. 28, 1999
5877108 Performance of used molybdenum based catalysts by the addition of ammonium dimolybdate Mar. 2, 1999
5821187 Process and apparatus for recoating a deactivated catalyst coating in a catalyst Oct. 13, 1998
5618769 Process for the recovery of alkylation catalyst Apr. 8, 1997
5512525 Regeneration of spent multimetal oxide oxidation catalysts from the catalytic gas-phase oxidation of lower organic compounds Apr. 30, 1996
5457240 Use of stripper reactor reflux as an initiator for preforming reaction of cobaltous salts to cobalt carbonyls Oct. 10, 1995
5444032 Process for preparing an effective catalyst for n-parafins hydroisomerization Aug. 22, 1995
5389592 Method of enhancing the activity of regenerated catalysts Feb. 14, 1995
5324695 Regeneration of metal oxide catalysts Jun. 28, 1994
5308810 Method for treating contaminated catalyst May. 3, 1994
5306859 Alkylation catalyst regeneration utilizing polyvinylpyridine and amine substituted styrene divinylbenzene copolymer contact materials Apr. 26, 1994
5260238 Process for regenerating a deactivated catalyst Nov. 9, 1993
5250483 Method for treatment of catalysts using denitrifying bacteria Oct. 5, 1993
5217935 Processes for regenerating catalysts contaminated with carbonaceous materials Jun. 8, 1993
5212127 Process for reactivating a deactivated dehydrocyclodimerization catalyst May. 18, 1993
5209840 Separation of active catalyst particles from spent catalyst particles by air elutriation May. 11, 1993
5206194 Process for reactivating a deactivated crystalline molecular sieve group VIII metal catalyst Apr. 27, 1993
5108976 High-density and mean-porosity catalyst supported on a siliceous matrix, based on vanadium, iron, oxygen and alkali metal Apr. 28, 1992
5101052 Molybdenum recovery Mar. 31, 1992

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