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Class Information
Number: 502/334
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Catalyst or precursor therefor > Metal, metal oxide or metal hydroxide > Of group viii (i.e., iron or platinum group) > And group iii metal containing (i.e., sc, y, al, ga, in or tl) > Of platinum
Description: Composition in which the additional metal is element number 78.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
5849661 Automotive exhaust catalyst Dec. 15, 1998
5849657 Catalyst for the dehydrogenation of C.sub.6 -C.sub.15 paraffins and to a process for making such catalysts Dec. 15, 1998
5834395 Catalyst for controlling emissions Nov. 10, 1998
5817521 Method for detection of performance reduction of exhaust gas purification catalyst Oct. 6, 1998
5817896 Catalytic method of replacing halogen in halocarbons Oct. 6, 1998
5801114 Catalysts selective for the reduction of nitrogen oxides to nitrogen in an oxidizing medium, a process for their preparation and their use Sep. 1, 1998
5795840 Burned gas purifying catalyst Aug. 18, 1998
5792723 Platinum catalyst, its preparation, and curable organopolysiloxane composition comprising the same Aug. 11, 1998
5783607 Process for converting synthesis gas in the presence of a catalyst based on cobalt and titanium Jul. 21, 1998
5773589 Steam reforming catalysts for lower hydrocarbons Jun. 30, 1998
5767036 Platinum-aluminum alloy catalyst for fuel cells and method of its production and use Jun. 16, 1998
5763351 Fluid fuel reforming ceramic catalysts and their manufacturing methods Jun. 9, 1998
5759950 Catalyst supported with noble metal(s) for the isomerization of alkylaromatics Jun. 2, 1998
5756419 Process for the conversion of synthesis gas in the presence of a catalyst comprising cobalt and additional elements May. 26, 1998
5753580 Exhaust emission control catalyst comprising cerium May. 19, 1998
5753581 Method of associating precious metals with specific oxides in mixed oxide systems for use as catalysts May. 19, 1998
5739074 Metal cation-modified alkylation catalysts Apr. 14, 1998
5739075 Process for preparing ethylene oxide catalysts Apr. 14, 1998
5733839 Catalysts Mar. 31, 1998
5719097 Catalyst comprising a modified solid oxide Feb. 17, 1998
5707918 Hydrocarbon isomerization catalyst blend Jan. 13, 1998
5707921 Method of preparing isomerization catalyst composition Jan. 13, 1998
5677260 Catalyst composite for dehydrogenation of paraffins to mono-olefins and method for the preparation thereof Oct. 14, 1997
5677258 Burned gas purifying catalyst Oct. 14, 1997
5670444 Exhaust gas cleaner and method for cleaning same Sep. 23, 1997
5668074 Preparation of catalysts for alkane/cycloalkane isomerization Sep. 16, 1997
5656567 Self-gettering catalysts Aug. 12, 1997
5654254 Preparation of hydrocarbon isomerization catalyst Aug. 5, 1997
5650371 Heterogeneous catalysts via impregnation process Jul. 22, 1997
5639933 Isomerization catalyst and use thereof in alkane/cycloalkane isomerization Jun. 17, 1997
5639706 Hydrogenation catalyst based on a platinum metal partially poisoned with finely divided sulfur Jun. 17, 1997
5618772 Method for producing catalyst Apr. 8, 1997
5597771 Layered catalyst composite Jan. 28, 1997
5593934 Platinum alloy catalyst Jan. 14, 1997
5591689 Preparation of isomerization catalyst composition Jan. 7, 1997
5583087 Method for impregnating catalyst support with platinum Dec. 10, 1996
5571763 Exhaust gas purification system and catalyst therefor Nov. 5, 1996
5565399 Co oxidation promoter and use thereof for catalytic cracking Oct. 15, 1996
5559065 Coated catalysts Sep. 24, 1996
5541147 Immobilized free molecule aerosol catalytic reactor Jul. 30, 1996
5498590 Process for uniform and reproducible shell impregnation of fixed bed catalyst supports in the form of loose particles Mar. 12, 1996
5496788 Coating dispersion for exhaust gas catalysts Mar. 5, 1996
5496789 Hydrogenation catalyst based on a platinum metal partially poisoned with finely divided sulfur Mar. 5, 1996
5492873 Processor for producing poison-resistant catalysts Feb. 20, 1996
5489522 Three-way catalysts from organo noble metal precursors Feb. 6, 1996
5474965 Catalyst for catalytic reduction of nitrogen oxide Dec. 12, 1995
5451558 Process for the reaction and absorption of gaseous air pollutants, apparatus therefor and method of making the same Sep. 19, 1995
5439865 Catalyst for exhaust gas purification and process for production thereof Aug. 8, 1995
5413984 Method for preparing multi-metal catalysts May. 9, 1995
5399324 Two-stage catalyst system for lean burn engines Mar. 21, 1995

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