Proton conductive polymer and fuel cell

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation

Reexamination Certificate

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Details

C521S025000

Reexamination Certificate

active

07736781

ABSTRACT:
A proton conductive polymer comprising a repeating unit represented by formula (1):wherein R1, R2and R3each independently represents a substituent; and V, W and X each independently represents a positive integer.

REFERENCES:
patent: 2006/0057449 (2006-03-01), Calundann et al.
patent: PCT/EP03/06308 (2003-06-01), None

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