Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2007-01-09
2007-01-09
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...
C526S206000, C526S242000, C568S669000, C568S615000, C568S674000, C568S677000
Reexamination Certificate
active
11115173
ABSTRACT:
Fluorovinyl ethers having the formula CFX═CXOCF2OR, wherein R is a C2–C6linear, branched or C5–C6cyclic (per)fluoroalkyl group, or a C2–C6linear, branched (per)fluoro oxyalkyl group containing from one to three oxygen atoms; when R is fluoroalkyl or fluorooxyalkyl group as above defined, it can contain from 1 to 2 atoms, equal or different, selected from the following: H, Cl, Br, I; X═F, H; and homopolymers or polymers obtainable polymerizing said Fluorovinyl ethers with at least another polymerizable monomer.
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Hu Henry S.
Kenyon & Kenyon LLP
Solvey Solexis S.p.A.
Wu David W.
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