C - Chemistry – Metallurgy – 25 – B
Patent
C - Chemistry, Metallurgy
25
B
204/156, 204/201
C25B 1/34 (2006.01) C25B 13/00 (2006.01)
Patent
CA 1256062
ABSTRACT: An electrolytic cation exchange membrane which comprises a first film made of a fluorinated polymer having cation exchange groups and containing a fibrillated tetrafluoroethylene polymer and a second film laminated thereon, made of a fluorinated polymer having carboxylic acid groups as its ion exchange groups, said first film having a greater thickness and smaller specific electric resistance than said second film.
448046
Asawa Tatsuro
Miyake Haruhisa
Sugaya Yoshio
Asahi Glass Company Ltd.
Marks & Clerk
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