Method for the preparation of ionomer films

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United States of America Patent

PATENT NO 4731263
SERIAL NO

06912701

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention is a method for forming a perfluorosulfonate ionomer film comprising: (a) forming a solution of a perfluorosulfonate ionomer in its salt form; (b) coating a substrate with the perfluorosulfonate ionomer solution; and (c) heating the coated substrate to a temperature of at least about 120.degree. C. for sufficient time to deposit a solvent-resistant film of a perfluorosulfonate ionomer onto the substrate.

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Patent Owner(s)

  • THE DOW CHEMICAL COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Martin, Charles R Bryan, TX 30 457
Moore, III Robert B College Station, TX 1 23

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