Fluorine-containing polyether monomer, and polymer and...

Details Fluorine-containing polyether monomer, and polymer and... Fluorine-containing polyether monomer, and polymer and...

2007-02-13

2007-02-13

Wu, David W. (Department: 1713)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S319000, C560S223000

Reexamination Certificate

active

10485467

ABSTRACT:
A fluorine-containing polymer which is an active component of a surface treatment agent having excellent water- and oil-repellency is constituted by a fluorine-containing polyether monomer of the formula:wherein Rf is a perfluoroalkyl group having 1 to 18 carbon atoms,R is hydrogen or a methyl group,A1is a divalent linear or branched aliphatic group having 1 to 20 carbon atoms,A2is a direct bond, or a divalent linear or branched aliphatic group having 1 to 10 carbon atoms which may have an ether linkage,X is a trivalent linear or branched aliphatic group having 2 to 5 carbon atoms, and n is from 1 to 100.

REFERENCES:
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International Search Report for PCT/JP02/07584 dated Oct. 15, 2002 (with english translation).
International Search Report for PCT/JP02/07584 dated Aug. Oct. 15, 2002.

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