Block polymer, process for producing a polymer, and polymer...

Details Block polymer, process for producing a polymer, and polymer... Block polymer, process for producing a polymer, and polymer...

2005-10-06

2008-12-30

Gulakowski, Randy (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S200000, C526S247000, C526S243000, C526S255000

Reexamination Certificate

active

07470749

ABSTRACT:
A polymer electrolyte fuel cell comprising a membrane-form polymer electrolyte, a cathode disposed on one side of the polymer electrolyte, and an anode disposed on the other side of the polymer electrolyte, wherein the cathode comprises a catalyst and an ion exchange resin, and the ion exchange resin is made of a polymer comprising the following segments A and segments B:Segments A: segments made of a polymer having sulfonic acid groups; andSegments B: segments made of a fluoropolymer having substantially no ion exchange groups.

REFERENCES:
patent: 4361678 (1982-11-01), Tatemoto et al.
patent: 5399184 (1995-03-01), Harada
patent: 6087032 (2000-07-01), Yoshitake et al.
patent: 6274677 (2001-08-01), Tatemoto
patent: 2002/0142207 (2002-10-01), Watakabe et al.
patent: 2004/0230018 (2004-11-01), Okazoe et al.
patent: 2005/0037265 (2005-02-01), Watakabe
patent: 2005/0266291 (2005-12-01), Watakabe
patent: 2006/0029854 (2006-02-01), Watakabe et al.
patent: 0 345 964 (1989-12-01), None
patent: 1091435 (2001-04-01), None
patent: 11-329062 (1999-11-01), None
patent: 2000-188111 (2000-07-01), None
patent: WO 99/59216 (1999-11-01), None
U.S. Appl. No. 11/311,560, filed Dec. 20, 2005, Watakabe et al.
U.S. Appl. No. 11/244,002, filed Oct. 6, 2005, Watakabe et al.
U.S. Appl. No. 11/183,748, filed Jul. 19, 2005, Tayanagi et al.

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