Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2005-06-14
2008-11-18
Neckel, Alexa D. (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C429S006000, C429S129000, C428S221000, C428S306600, C521S027000, C427S115000
Reexamination Certificate
active
07452621
ABSTRACT:
A polymer electrolyte membrane for a fuel cell includes a porous membrane formed with fine pores, hygroscopic polymer layers coated inside the fine pores of the porous membrane, and proton conductive polymers filled in the fine pores of the porous membrane coated with the hygroscopic polymer layers.
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Kim Hee-Tak
Kim Hyoung-Juhn
Kweon Ho-Jin
Yoon Hae-Kwon
Christie Parker & Hale LLP
Neckel Alexa D.
Rademaker Claire L
Samsung SDI & Co., Ltd.
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