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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) 89


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
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
7431904 Catalyst support material, catalysts prepared therefrom and process for the treatment of a flue gas Oct. 7, 2008
7431910 Process for preparing zirconium-cerium-based mixed oxides Oct. 7, 2008
7396945 Method of preparing tetrahydrofuran Jul. 8, 2008
7396518 High-temperature denitration catalysts and processes for preparing same 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
6858560 Ethylene oxide catalyst Feb. 22, 2005
6858562 Catalyst for decomposing organic harmful substances and method for decomposing organic halides by use thereof Feb. 22, 2005
6855661 Catalyst for purification of diesel engine exhaust gas Feb. 15, 2005
6762311 Ethylene oxide catalyst Jul. 13, 2004
6737380 Solid acid catalyst, production method thereof, and method for hydrodesulfurizing and isomerizing light hydrocarbon oil using the same May. 18, 2004
6706659 High-activity isomerization catalyst and process Mar. 16, 2004
6673326 Catalytic processes for the reduction of perfluorinated compounds and hydrofluorocarbons Jan. 6, 2004
6673739 Catalyst for CO shift reaction Jan. 6, 2004
6562749 Process for the preparation of a catalyst or catalyst precursor May. 13, 2003
6562752 Metallic sulphide catalysts, processes for synthesising said catalysts and use thereof May. 13, 2003
6495733 Superacid catalyst for the hydroisomerization of n-paraffins Dec. 17, 2002
6492296 Two-step process for sulfiding a catalyst containing an S-containing additive Dec. 10, 2002
6448198 Acid catalyst with a sulfated zirconia base and its uses Sep. 10, 2002
6432867 Process for sulfurizing catalysts in a reducing medium Aug. 13, 2002
6417134 Ex-situ presulfuration in the presence of hydrocarbon molecule Jul. 9, 2002
6380448 Method for recovering styrene monomer from polystyrene resin by using a catalyst Apr. 30, 2002
6326328 Solid acid catalyst and process for preparing the same Dec. 4, 2001
6316382 Process for sulphurizing catalysts by reduction followed by sulphurization Nov. 13, 2001
6288006 Method for pre-sulphurization of catalysts Sep. 11, 2001
6261989 Catalytic converter for cleaning exhaust gas Jul. 17, 2001
6242378 Process for sulphurizing catalysts in the presence of carbon and elemental sulphur Jun. 5, 2001
6242167 Developer for use with carbonless copy paper and photo imaging systems Jun. 5, 2001
6214307 Exhaust gas purifying catalyst and exhaust gas purifying method Apr. 10, 2001
6180555 Acid catalyst with a sulfated zirconia base and its uses Jan. 30, 2001
6180556 Solid superacid catalysts for the isomerization of hydrocarbons and sol-gel process for their production Jan. 30, 2001
6177596 Highly acidic microporous synergistic solid catalyst and its applications Jan. 23, 2001
6150299 Cerium- and zirconium-based mixed oxide, method of producing same and catalyst material for exhaust gas purification Nov. 21, 2000

1 2 3 4


 
 
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