Fuel cell electrolyte, membrane electrode assembly, and...

Details Fuel cell electrolyte, membrane electrode assembly, and... Fuel cell electrolyte, membrane electrode assembly, and...

2006-03-23

2009-12-29

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

Reexamination Certificate

active

07638221

ABSTRACT:
Dimensional change occurring in a fuel cell electrolyte including a basic polymer after the electrolyte is doped with acid is regulated and the occurrence of wrinkles and the like is reduced. A fuel cell electrolyte comprises a basic polymer and an organic phosphonic acid expressed by the following general formula (1):where R represents an alkyl, aryl, acyl, amino, phosphonic group or a derivative of the functional group, and n is 1 or 2.

REFERENCES:
patent: 5525436 (1996-06-01), Savinell et al.
patent: 6733927 (2004-05-01), Takezawa et al.
patent: 2004/0224218 (2004-11-01), Fan
patent: 2005/0084727 (2005-04-01), Kiefer et al.
patent: 2005/0118476 (2005-06-01), Melzner et al.
patent: 2007/0154778 (2007-07-01), Haufe et al.
patent: 11-503262 (1999-03-01), None
patent: 2002-319414 (2002-10-01), None
patent: 2002-533890 (2002-10-01), None
patent: 2007-519183 (2007-07-01), None
patent: 10-2005-0002840 (2005-01-01), None
patent: WO 96/13872 (1996-05-01), None
patent: WO 03/043116 (2003-05-01), None
patent: WO03/074596 (2003-09-01), None
patent: WO2006/005466 (2006-01-01), None
Korean Office Action issued in corresponding Korean Patent Application No. KR 10-2005-0053054, dated Aug. 29, 2006.
Japanese Notification of Reasons for Refusal, with English Translation, issued in Japanese Patent Application No. JP 2006-049339, dated Mar. 24, 2009.
An Office Action issued Jan. 9, 2009 for copending U.S. Appl. No. 11/701,397.
Japanese Notification of Reason(s) for Refusal, w/ English translation thereof, Issued in Patent Application No. JP 2006-049338 dated on Jul. 15, 2008.

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