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Sulfonimide-containing poly(arylene ether)s and poly(arylene ether sulfone)s, methods for producing the same, and uses thereof

United States Patent

7,135,537
November 14, 2006
View the Complete Patent at the US Patent & Trademark Office
The present invention is directed to sulfonimide-containing polymers, specifically sulfonimide-containing poly(arylene ether)s and sulfonimide-containing poly(arylene ether sulfone)s, and processes for making the sulfonimide-containing poly(arylene ether)s and sulfonimide-containing poly(arylene ether sulfone)s, for use conductive membranes and fuel cells.
Hofmann; Michael A. (Newark, DE)
E.I. du Pont de Nemours and Company (Wilmington, DE)
10/ 833,786
20040236062
April 28, 2004
This invention was made with government support under Contract No. DE-FC04-02AL67606 awarded by the U.S. Department of Energy. The government has certain rights in the invention.