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Browse by Category: Main > Chemistry
Class Information
Number: 502/215
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Catalyst or precursor therefor > Selenium or tellurium or compound containing same
Description: Composition including either element 34 or 52, free or chemically combined.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8658817 Method of making mixed metal oxide catalysts for ammoxidation and/or oxidation of lower alkane hydrocarbons Feb. 25, 2014
8624075 Isomerization of linear alpha-olefins Jan. 7, 2014
8530370 Nano-tetrathiometallate or nano-tetraselenometallate material Sep. 10, 2013
8404615 Catalyst for a cathode of a mixed reactant fuel cell, membrane-electrode assembly for a mixed reactant fuel cell including the same, and mixed reactant fuel cell system including the same Mar. 26, 2013
8357625 Catalyst and method for producing carboxylic acid and/or carboxylic anhydride in the presence of the catalyst Jan. 22, 2013
8242043 Process for production of supported catalyst for acetic acid production Aug. 14, 2012
8222461 Mixed oxide catalysts for catalytic gas phase oxidation Jul. 17, 2012
8093175 Mineral composition capable of trapping hydrogen, preparation method and uses Jan. 10, 2012
7923171 Cathode catalyst for fuel cell, and membrane-electrode assembly for fuel cell and fuel cell system including same Apr. 12, 2011
7919428 Method of making mixed metal oxide catalysts for ammoxidation and/or oxidation of lower alkane hydrocarbons Apr. 5, 2011
7732087 Catalyst for fuel cell, and membrane-electrode assembly for fuel cell and fuel cell system including same Jun. 8, 2010
7638458 Complex metal oxide catalyst with high (meth) acrylic acid selectivity Dec. 29, 2009
7576028 Catalyst body Aug. 18, 2009
7485597 Method for improving the selectivity of a catalyst and a process for the epoxidation of an olefin Feb. 3, 2009
7419932 Method for preserving catalyst Sep. 2, 2008
7365041 Method for producing ammoxidation catalyst Apr. 29, 2008
7125820 Non-noble metal catalysts for the oxygen reduction reaction Oct. 24, 2006
7071140 Catalyst for the manufacture of acrylonitrile Jul. 4, 2006
RE39074 Process for the selective preparation of acetic acid using a molybdenum and palladium based catalytic oxide Apr. 18, 2006
6921831 Modified BiMo catalyst and process for use thereof Jul. 26, 2005
6825380 Promoted multi-metal oxide catalyst Nov. 30, 2004
6797840 Promoted multi-metal catalyst Sep. 28, 2004
6790988 Ir and/or Sm promoted multi-metal oxide catalyst Sep. 14, 2004
6734136 IR and/or SM promoted multi-metal oxide catalyst May. 11, 2004
6610629 Process for producing an oxide catalyst for oxidation or ammoxidation Aug. 26, 2003
6518216 Catalyst useful for oxidation of alkanes Feb. 11, 2003
6479691 Catalyst for producing unsaturated nitrile Nov. 12, 2002
6426312 Air purifying matrix for the oxidation of air-borne particulate and gases Jul. 30, 2002
6355817 Optimized catalyst addition to enhance esterification catalyst performance Mar. 12, 2002
6350716 Catalyst and process for the oxidation of ethane and/or ethylene Feb. 26, 2002
6211114 Catalyst and process for preparing 2-buten-1-ol compounds Apr. 3, 2001
6194610 Process for the selective preparation of acetic acid using a molybdenum and palladium based catalytic oxide Feb. 27, 2001
6171571 Crystalline multinary metal oxide compositions, process for preparing and processes for using the composition Jan. 9, 2001
6072070 Vanadium/antimony/titanium mixed oxide and process of use in vapor phase ammoxidation of an alkane Jun. 6, 2000
6043186 Ammoxidation catalyst for use in producing acrylonitrile or methacrylonitrile from propane or isobutane by ammoxidation Mar. 28, 2000
6042807 Tellurium-containing molecular sieves Mar. 28, 2000
6022986 Manganiferous polyoxometallates, synthesis and use thereof Feb. 8, 2000
6013597 Catalysts for the oxidation of ethane to acetic acid processes of making same and, processes of using same Jan. 11, 2000
5977009 Catalyst compositions derived from titanium-containing molecule sieves Nov. 2, 1999
5864051 Selective oxidation catalyst process for preparing the catalyst and process using the catalyst Jan. 26, 1999
5830427 Metallochalcogenide microporous compositions having metal-metal bonds Nov. 3, 1998
5817592 Process for the preparation of a hydrogenation catalyst Oct. 6, 1998
5686375 Hydroprocessing catalyst and its use Nov. 11, 1997
5675057 Method of improving catalyst activity, improved catalysts and their use Oct. 7, 1997
5532199 Carrier-supported catalyst for the synthesis of unsaturated aldehydes and unsaturated carboxylic acids and process for preparing the same Jul. 2, 1996
5494879 Catalyst for the reduction of sulfur dioxide to elemental sulfur Feb. 27, 1996
5491258 Molded catalyst or supported catalyst for synthesizing methacrolein and methacrylic acid, a process for production thereof, and a process of use thereof Feb. 13, 1996
5439862 Oligomerization catalyst and process Aug. 8, 1995
5374608 Compositions containing adducts and surfactants Dec. 20, 1994
5250485 Process for preparing catalysts used for production of methacrolein and methacrylic acid Oct. 5, 1993

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