Compound for solid polymer electrolyte membrane

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

Reexamination Certificate

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Reexamination Certificate

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08039667

ABSTRACT:
An unsaturated compound including a urethane bond in a main chain and a sulfonic acid group, a phosphoric acid group, an alkylsulfonic acid group, or an alkylphosphoric acid group on a benzene ring in a side chain is provided. In addition, a solid polymer electrolyte membrane containing a compound prepared by polymerizing the above-mentioned compound and an electrolyte membrane-electrode assembly including diffusion layers adhered on both surfaces of the electrolyte membrane are provided. Furthermore, a solid polymer fuel cell using the electrolyte membrane-electrode assembly is provided.

REFERENCES:
patent: 6339038 (2002-01-01), Tada et al.
patent: 2005/0113530 (2005-05-01), Kim et al.
patent: 2007/0054194 (2007-03-01), Zhang et al.
patent: 2-111440 (1990-04-01), None
patent: 2000-003712 (2000-01-01), None
patent: 2004-342537 (2004-12-01), None
patent: 2004-342537 (2004-12-01), None
patent: 2005-139450 (2005-06-01), None
Kobunshi Gakkai Yokosyu (Polymer Preprints, Japan, Japanese Ed.) 1999, 48(10), 2393-94.

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