Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2005-09-14
2010-06-15
Yuan, Dah-Wei D (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
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
Arciero Adam A
Blakely , Sokoloff, Taylor & Zafman LLP
Kabushiki Kaisha Toshiba
Yuan Dah-Wei D
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