Sulfonated polyphenylene polymers

Details Sulfonated polyphenylene polymers Sulfonated polyphenylene polymers

2007-11-27

2007-11-27

Truong, Duc (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From sulfur-containing reactant

C528S086000, C528S397000, C528S487000, C524S817000, C429S188000, C429S208000, C429S253000, C428S500000

Reexamination Certificate

active

10938137

ABSTRACT:
Improved sulfonated polyphenylene compositions, improved polymer electrolyte membranes and nanocomposites formed there from for use in fuel cells are described herein. The improved compositions, membranes and nanocomposites formed there from overcome limitations of Nafion® membranes.

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