Platinum-copper-tungsten fuel cell catalyst

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Inorganic carbon containing

Reexamination Certificate

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C502S182000, C502S184000, C502S313000, C502S318000, C420S431000, C420S466000, C420S469000, C420S497000, C420S587000, C148S423000, C148S430000, C148S432000, C148S442000

Reexamination Certificate

active

07422994

ABSTRACT:
A composition for use as a catalyst in, for example, a fuel cell, the composition comprising platinum, copper and tungsten, or an oxide, carbide and/or salt of one or more of platinum, copper and tungsten, wherein the sum of the concentrations of platinum, copper and tungsten, or an oxide, carbide and/or salt thereof, is greater than 90 atomic percent.

REFERENCES:
patent: 1624857 (1927-04-01), Brainin
patent: 2273805 (1942-02-01), Vines et al.
patent: 2391455 (1945-12-01), Hensel
patent: 3245781 (1966-04-01), Durer et al.
patent: 3547712 (1970-12-01), Bourne et al.
patent: 3711385 (1973-01-01), Beer et al.
patent: 4061495 (1977-12-01), Selman et al.
patent: 4261742 (1981-04-01), Coupland et al.
patent: 4294608 (1981-10-01), Sedlak et al.
patent: 4677035 (1987-06-01), Fiedler et al.
patent: 4683119 (1987-07-01), Selman et al.
patent: 4716087 (1987-12-01), Ito et al.
patent: 4737205 (1988-04-01), Selman et al.
patent: 4764435 (1988-08-01), Hosizaki et al.
patent: 4885216 (1989-12-01), Naik
patent: 4970128 (1990-11-01), Itoh et al.
patent: 5024905 (1991-06-01), Itoh et al.
patent: 5068161 (1991-11-01), Keck et al.
patent: 5077141 (1991-12-01), Naik et al.
patent: 5096866 (1992-03-01), Itoh et al.
patent: 5126216 (1992-06-01), Capuano et al.
patent: 5178971 (1993-01-01), Itoh et al.
patent: 5516381 (1996-05-01), Kawai et al.
patent: 5861222 (1999-01-01), Fischer et al.
patent: 5876867 (1999-03-01), Itoh et al.
patent: 5939220 (1999-08-01), Gunner et al.
patent: 6036791 (2000-03-01), Mitsuhashi et al.
patent: 6045671 (2000-04-01), Wu et al.
patent: 6048633 (2000-04-01), Fuji et al.
patent: 6127058 (2000-10-01), Pratt et al.
patent: 6171721 (2001-01-01), Narayanan et al.
patent: 6187164 (2001-02-01), Warren et al.
patent: 6187468 (2001-02-01), Shinkai et al.
patent: 6225011 (2001-05-01), Gotoh et al.
patent: 6245214 (2001-06-01), Rehg et al.
patent: 6268077 (2001-07-01), Kelley et al.
patent: 6294280 (2001-09-01), Tanaka et al.
patent: 6322643 (2001-11-01), Mitsuhashi et al.
patent: 6346182 (2002-02-01), Bradley
patent: 6632299 (2003-10-01), Harris
patent: 6730350 (2004-05-01), Finkelshtain et al.
patent: 6861387 (2005-03-01), Ruth et al.
patent: 7179561 (2007-02-01), Niu et al.
patent: 2002/0004453 (2002-01-01), Haugen et al.
patent: 2003/0008196 (2003-01-01), Wessel et al.
patent: 2004/0142230 (2004-07-01), Katori et al.
patent: 895 174 (1983-05-01), None
patent: 0 164 200 (1985-12-01), None
patent: 0855 449 (1998-07-01), None
patent: 1080435 (2001-03-01), None
patent: 2 029 857 (1980-03-01), None
patent: 2 033 925 (1980-05-01), None
patent: 62 107040 (1987-05-01), None
patent: 63 149356 (1988-06-01), None
patent: 01 021030 (1989-01-01), None
patent: 04 066632 (1992-03-01), None
patent: 04 066635 (1992-03-01), None
patent: 04 072029 (1992-03-01), None
patent: 06 065601 (1994-03-01), None
patent: 07 050008 (1995-02-01), None
patent: 08 100255 (1996-04-01), None
patent: 2001 294959 (2001-10-01), None
patent: 2003-80085 (2003-03-01), None
patent: 2004-152748 (2004-05-01), None
patent: WO 99/16137 (1999-04-01), None
patent: WO 00/35037 (2000-06-01), None
patent: WO 02/22901 (2002-03-01), None
Chu, D. et al.—J. Electrochem. Soc. 1996, 143, 1685.
Coupeland et al.—Platinum Metals Review, vol. 26, No. 4, 1982, pp. 146-157.
Dae-Hee Ye et al.—Korean Journal of Materials Research, vol. 12, No. 12, 2002, pp. 897-903.
Ralph, T.R. et al.—Catalysts for Low Temperature Fuel Cells Part 1: The Cathode Challenges, Platinum Metals Rev., 2002, 46, (1), pp. 3-14.
Schmidt et al.—Rotating disk electrode measurements on the CO tolerance of a high-surface area Pt/Vulcan carbon fuell cell electrocatalyst, Journal of the Electrochemical Society, 1999, 146(4), pp. 1296-1304.
Schmidt et al.—Characterization of high-surface-area electrocatalysts using a rotating disk electrode configuration, Journal of the Electrochemical Society, 1998, 145(7), pp. 2354-2358.
Strasser, P. et al.—Combinatorial Electorchemical Strategies For the Discovery of New Fuel-Cell Electrode Materials, Proceedings of the International Symposium on Fuel Cells for Vehicles, 41st Battery Symposium, The Electrochemical Society of Japan, Nagoya 2000, pp. 34-35.
Strasser, P. et al.—Combinatorial Electrochemical Techniques for the Discovery of New Fuel-Cell Cathode Materials, 2001, vol. 2001-4, Direct Methanol Fuel Cells, Proceedings of the Electrochemical Society, New Jersey, Zawodzinski, T., eds, pp. 191-208.
Yasuda et al., Polymerization-Pressure Dependencies of Properties of Perfluorosulfonate Cation-Exchanger Thin Films by Plasma Polymerization, Ber. Bunsenges. Phys. Chem. 98, No. 4, 1994, pp. 631-635.

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