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Class Information
Number: 502/217
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Catalyst or precursor therefor > Sulfur or compound containing same > Sulfate
Description: Composition in which the sulfur is combined with four oxygen atoms to form a divalent ion.

Sub-classes under this class:

Class Number Class Name Patents
502/218 And group i metal containing (i.e., alkali, ag, au or cu) 111

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8673250 Exhaust gas purification catalyst and production method therefor, and method for purifying nitrogen oxide in exhaust gas Mar. 18, 2014
8668894 Method for processing a sulfur-containing gas and a hydrogenation catalyst used therefor Mar. 11, 2014
8628744 Sulfur-tolerant water-gas shift catalysts Jan. 14, 2014
8629080 Hydrated niobium oxide nanoparticle containing catalysts for olefin hydration Jan. 14, 2014
8569198 Exhaust gas-purifying catalyst Oct. 29, 2013
8569197 Process for preparing a reforming catalyst comprising a support, a group VIIIB metal and a group VIIB metal Oct. 29, 2013
8476182 Process for making a catalyst suitable for direct coal liquefaction and the catalyst thereof Jul. 2, 2013
8418447 Exhaust gas cleaning catalyst, exhaust gas cleaning device, and system comprising internal combustion engine Apr. 16, 2013
RE44124 Regenerable high capacity sorbent for removal of mercury from flue gas Apr. 2, 2013
8399580 Additives to chromium catalyst mix tank Mar. 19, 2013
8372773 Hydrocarbon conversion system, and a process and catalyst composition relating thereto Feb. 12, 2013
8357626 Oxygen storage/release material and exhaust gas purifying catalyst comprising the same Jan. 22, 2013
8323597 Method for purifying exhaust gas containing mercury metal, oxidation catalyst for mercury metal in exhaust gas and method for producing the same Dec. 4, 2012
8101304 Process for the concentration of noble metals from fluorine-containing fuel cell components Jan. 24, 2012
8062988 Process for the production of a catalyst preparation and use of the catalyst preparation Nov. 22, 2011
8011181 Exhaust gas cleaning catalyst, exhaust gas cleaning device, and system comprising internal combustion engine Sep. 6, 2011
7999061 Catalytic lactide and glycolide (co)polymerization system Aug. 16, 2011
7989385 Process of activation of a palladium catalyst system Aug. 2, 2011
7985706 Uniformly, highly dispersed metal catalyst and process for producing the same Jul. 26, 2011
7799732 Highly active photocatalyst particles, method of production therefor, and use thereof Sep. 21, 2010
7759273 Methods of forming an alkali metal salt Jul. 20, 2010
7691774 Hydrogenation desulfurization isomerization catalyst, process for producing the same and method of desulfurization isomerization for sulfurous hydrocarbon oil Apr. 6, 2010
7635739 Substantially linear polymers and methods of making and using same Dec. 22, 2009
7632774 Method for manufacturing supported nanocatalysts having an acid-functionalized support Dec. 15, 2009
7576028 Catalyst body Aug. 18, 2009
7534842 Catalysts for olefin polymerization May. 19, 2009
7524912 Preparation of linear ethylene-acrylate copolymers with palladium catalysts and free radical scavengers Apr. 28, 2009
7473665 Exhaust gas-purifying catalyst system Jan. 6, 2009
7465816 Production of tetrahydrofuran from 1,4-butanediol Dec. 16, 2008
7431910 Process for preparing zirconium-cerium-based mixed oxides Oct. 7, 2008
7431904 Catalyst support material, catalysts prepared therefrom and process for the treatment of a flue gas Oct. 7, 2008
7396518 High-temperature denitration catalysts and processes for preparing same Jul. 8, 2008
7396945 Method of preparing tetrahydrofuran Jul. 8, 2008
7393809 Catalyst for purification of diesel engine exhaust gas Jul. 1, 2008
7307113 Fluorosulfonic acid organic polymers Dec. 11, 2007
7304199 Solid acid catalyst and method of using same Dec. 4, 2007
7291577 Hydrometallurgical process for production of supported catalysts Nov. 6, 2007
7288499 Regenerable high capacity sorbent for removal of mercury from flue gas Oct. 30, 2007
7273912 Supported olefin polymerization catalyst Sep. 25, 2007
7259285 Oligomerization catalyst, a method for production and the use thereof Aug. 21, 2007
7214642 Methods of preparing active chromium/alumina catalysts via treatment with sulfate May. 8, 2007
7153810 Silver doped catalysts for treatment of exhaust Dec. 26, 2006
7125536 Nano-structured particles with high thermal stability Oct. 24, 2006
7026268 Solid acid catalyst containing platinum group metal component and method for preparation thereof Apr. 11, 2006
7015175 High-activity isomerization catalyst and process Mar. 21, 2006
6927188 High-activity isomerization catalyst and process Aug. 9, 2005
6916761 Polymer-supported Lewis acid catalyst Jul. 12, 2005
6858562 Catalyst for decomposing organic harmful substances and method for decomposing organic halides by use thereof Feb. 22, 2005
6858560 Ethylene oxide catalyst Feb. 22, 2005
6855661 Catalyst for purification of diesel engine exhaust gas Feb. 15, 2005

1 2 3 4 5

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