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Class Information
Number: 502/100
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Catalyst or precursor therefor
Description: Composition which is a catalyst* or which is claimed or disclosed to be useful solely as an essential component of a catalyst composition or method of making such a composition. (* See glossary for definition.)


Sub-classes under this class:

Class Number Class Name Patents
502/101 Making catalytic electrode, process only 350
502/102 Plural component system comprising a - group i to iv metal hydride or organometallic compound - and b - group iv to viii metal, lanthanide or actinde compound - (i.e., alkali metal, ag, au, cu, alkaline earth metal, be, mg, zn, cd, hg, sc, y, al, ga, in, tl, ti, zn, hf, ge, sn or pb hydride or organometallic compound and ti, zr, hf, ge, sn, pb, v, nb, ta, as, sb, bi, cr, mo, w, po, mn, tc, re, iron group, platinum group, atomic number 57 to 71 inclusive or atomic number 89 or higher compound) 322
502/150 Organic compound containing 543
502/174 Inorganic carbon containing 231
502/200 Nitrogen compound containing 391
502/202 Boron or compound containing same 399
502/208 Phosphorus or compound containing same 588
502/215 Selenium or tellurium or compound containing same 177
502/216 Sulfur or compound containing same 243
502/224 Halogen or compound containing same 221
502/232 Silicon containing or process of making 237
502/300 Metal, metal oxide or metal hydroxide 266


Patents under this class:
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Patent Number Title Of Patent Date Issued
7326389 Method of producing unsaturated aldehyde and/or unsaturated acid Feb. 5, 2008
7232784 Metal oxide-containing kenyaite catalyst, method for preparing the same, and method for preparing .epsilon.-caprolactam using the same Jun. 19, 2007
7175826 Compositions and methods for hydrogen storage and recovery Feb. 13, 2007
7169196 Fuel or fuel additive containing doped cerium oxide nanoparticles Jan. 30, 2007
7157401 Catalyst for the treatment of organic compounds Jan. 2, 2007
7156887 Methods, apparatus, and systems for producing hydrogen from a fuel Jan. 2, 2007
7097933 Catalyst for fuel cell oxygen electrodes Aug. 29, 2006
7060652 Gas sensor Jun. 13, 2006
7033837 Method for combinatorial material development using differential thermal images Apr. 25, 2006
7014941 Electrode catalyst for H.sub.2S fuel cells Mar. 21, 2006
6984722 Cationic group 3 catalyst system Jan. 10, 2006
6962614 Additive for diesel particulate filter Nov. 8, 2005
6921604 DEVICE AND METHOD FOR EVALUATING PERFORMANCE OF FUEL CELLS, DEVICE AND METHOD FOR EVALUATING SPECIFIC SURFACE AREA OF FUEL-CELL ELECTRODE CATALYSTS, FUEL-CELL ELECTRODE CATALYST, AND METHOD OF Jul. 26, 2005
6916758 Fibrous catalyst-immobilization systems Jul. 12, 2005
6887816 Photocatalyst May. 3, 2005
6881819 Liquid initiator for carrying out anionic lactam polymerization in an accelerated manner, method for the production thereof and its use Apr. 19, 2005
6846901 Liquid initiator for accelerating the progress of the anionic lactam polymerization, method for producing the same and the use thereof Jan. 25, 2005
6838407 Room temperature curable fluoropolymer coating Jan. 4, 2005
6833442 Complex and method for producing epoxides by using the complex Dec. 21, 2004
6696382 Catalyst inks and method of application for direct methanol fuel cells Feb. 24, 2004
6677441 Cationic group 3 catalyst system Jan. 13, 2004
6541659 Process for acyl substitution of anhydride by vanadyl salt catalyst Apr. 1, 2003
6417320 Catalyst and method for its production and use Jul. 9, 2002
6403773 Cationic group 3 catalyst system Jun. 11, 2002
6326327 Process for preparing MeO-Peg-protected dihydroquinine or dihydroquinidine derivatives, new dihydroquinine or dihydroquinidine derivatives and their use Dec. 4, 2001
6187276 Method and apparatus for removing indoor volatile organic substance Feb. 13, 2001
6180551 Process for preparing MeO-Peg-protected dihydroquinine or dihydroquinidine derivatives, new dihydroquinine or dihydroquinidine derivatives and their use Jan. 30, 2001
5932361 Ceramic based membranes Aug. 3, 1999
5756641 Process for producing thermoplastic polycarbonate May. 26, 1998
5714091 Process for the partial oxydation of hydrocarbons Feb. 3, 1998
5710087 Process for catalytic conversion of water and carbon dioxide to low cost energy, hydrogen, carbon monoxide, oxygen and hydrocarbons Jan. 20, 1998
5684116 Titanium dioxide/silicon dioxide coprecipitates and titanium dioxide/zirconium dioxide coprecipitates as polycondensation catalysts for polyesters and copolyesters Nov. 4, 1997
5639401 Process for the catalytic partial oxidation of hydrocarbons Jun. 17, 1997
5541147 Immobilized free molecule aerosol catalytic reactor Jul. 30, 1996
5540981 Inorganic-containing composites Jul. 30, 1996
5539079 Amidation catalyst concentrates Jul. 23, 1996
5527976 Method for polymerizing macrocyclic poly(alkylene dicarboxylate) oligomers Jun. 18, 1996
5516742 Catalytic conversion of water and carbon dioxide to low cost energy, hydrogen, carbon monoxide, oxygen and hydrocarbons May. 14, 1996
5403804 Initiator suspension, their preparation and use Apr. 4, 1995
5270271 Initiator suspensions, their preparation and use Dec. 14, 1993
5143550 Waste disposal Sep. 1, 1992
5137863 Process for controlling degree of dispersion of active component of metal/carrier solid catalyst Aug. 11, 1992
4891069 Composition for the electrolytic coating of circuit boards without an electroless metal coating Jan. 2, 1990
4790912 Selective plating process for the electrolytic coating of circuit boards without an electroless metal coating Dec. 13, 1988
4783434 Process for loading a carrier with a catalytically active material or with a precursor of a catalytically active material, and the catalyst produced by said process Nov. 8, 1988
4743669 Acid catalyzed organic reactions May. 10, 1988
4722986 Acid catalysts and methods of use Feb. 2, 1988
4562167 Liquid treating agent for cracking catalyst Dec. 31, 1985
4535066 Passivating metals on cracking catalysts Aug. 13, 1985
4452911 Frangible catalyst pretreatment method for use in hydrocarbon hydrodemetallization process Jun. 5, 1984

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