Fluorosulfonyl group-containing compound, method for its...

Details Fluorosulfonyl group-containing compound, method for its... Fluorosulfonyl group-containing compound, method for its...

2009-03-25

2010-02-23

Brooks, Clinton (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

Reexamination Certificate

active

07667083

ABSTRACT:
A compound containing two fluorosulfonyl groups which are groups convertible to sulfonic acid groups, an intermediate therefor, and methods for their production with high productivity, are provided. Also provided are a fluorosulfonyl group-containing polymer obtained by polymerizing such a compound, and a sulfonic acid group-containing polymer obtained from such a polymer.A method for producing a compound of the following formula (m0), such a compound, a fluorosulfonyl group-containing polymer obtained by polymerizing such a compound, and a sulfonic acid group-containing polymer obtained from such a polymer, provided that RF01is a single bond or a C1-6bivalent perfluoro organic group, RF02is a C1-6bivalent perfluoro organic group, and n is 0 or 1.

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U.S. Appl. No. 12/483,315, filed Jun. 12, 2009, Kotera, et al.
U.S. Appl. No. 12/533,667, filed Jul. 31, 2009, Hommura, et al.

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