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
07074885
ABSTRACT:
The present invention is generally directed to copolymers of fluorene. It further relates to devices that are made with the copolymers.
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Simmons, III Howard E.
Uckert Frank P.
Choi Ling-Siu
E.I. du Pont de Nemours and Company
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