Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2006-07-11
2006-07-11
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...
C526S250000, C526S255000
Reexamination Certificate
active
07074862
ABSTRACT:
Emulsifier free fluoropolymer manufacturing method in which (a) a chain transfer agent, or a mixture of chain transfer agents are used wherein the chain transfer agents do not yield more than 0.4 weight % relative to the monomer feed of water soluble fluorinated compounds, or (b) a chain transfer agent or a mixture of chain transfer agents selected from alkanes, dialkyl ethers, hydrofluoroethers and/or hydrofluorocarbons.
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Co-Pending Application, U.S. Appl. No. 09/495,600, Filed Feb. 1, 2000, Now Allowed.
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Journal of Applied Polymer Science, vol. 70, No. 11, T.F. McCarthy et al, “Surfactant-Free Emulsion Polymerization of Chlorotrifluoroethylene With Vinylacetate or Vinylidene Fluoride”, 1998, John Wiley & Sons, Inc., New York, NY, pp. 2211-2225.
Dewitte Greta
Hintzer Klaus
Kaspar Harald
Schwertfeger Werner
3M Innovative Properties Company
Geise C. Michael
Hu Henry S.
Szymanski Brian E.
Wu David W.
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