Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From fluorine-containing reactant
Reexamination Certificate
2006-07-11
2006-07-11
Choi, Ling-Siu (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From fluorine-containing reactant
C528S405000, C528S408000, C528S397000
Reexamination Certificate
active
07074886
ABSTRACT:
The present invention is generally directed to perfluoroalkylated fluorene polymers. It further relates to a process for preparing the polymers and devices that are made with the polymers.
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Cowell, Allan B. et al., Fluoroalkylation of Aromatic Compounds, Journal of Fluorine Chemistry, 17, 1981, 345-356, Elsevier Sequoia S.A., Lausanne, The Netherlands.
Kamigata, Nobumasa et al., Direct Perfluoroalkylation of Aromatic and Heteroaromatic Compounds with Perfluoroalkanesulfonyl Chlorides Catalysed by a Ruthenium (II) Phosphine Complex, J. Chem. Soc.Perkin Trans., 1, 1994, 1339-1346.
Feiring Andrew Edward
Uckert Frank P.
Choi Ling-Siu
E. I. du Pont de Memours and Company
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