Hydrophilic polymer-oxide-phosphoric acid compositions for...

Details Hydrophilic polymer-oxide-phosphoric acid compositions for... Hydrophilic polymer-oxide-phosphoric acid compositions for...

2006-10-10

2006-10-10

Harlan, Robert D. (Department: 1713)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S314000, C429S316000, C252S062200

Reexamination Certificate

active

07118821

ABSTRACT:
An organic-inorganic hydrophilic polymer-oxide hybrid proton conducting membrane (PCM) is produced from a host organic polymer, a filler inorganic oxide, and a proton-source with a pKa less than about 5. Usually, the subject invention comprises PCMs containing host polymer-x-strong acid-y-filler oxide, wherein x is between about 1 and about 10 (with “x” as the molar ratio of acid anion to polymer repeat unit) and y≦about 50% (with “y” the weight percentage of filler oxide in the composite).

REFERENCES:
patent: 6878475 (2005-04-01), Wixom et al.

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