Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2005-03-08
2005-03-08
Zalukaeva, Tatyana (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S242000, C526S247000, C526S250000
Reexamination Certificate
active
06864336
ABSTRACT:
The present invention is based on quad-fluoropolymer suitable for the preparation of a fluoroelastomer. The fluoropolymer comprises repeating units derived from 10 to 40 mol % of tetrafluoroethylene, 40 to 65 mol % of vinylidene fluoride, 1 to 30 mol % of a perfluorinated vinyl ether of the formula CF2═CFOCF2CF2CF2OCF3, 1 to 20 mol % of perfluoromethyl vinylether.
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Fukushi Tatsuo
Hintzer Klaus
Kaspar Harald
März Franz
van Gool Guy
Hu Henry S.
Szymanski Brian E.
Zalukaeva Tatyana
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