Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Reexamination Certificate
2005-11-08
2005-11-08
Zimmer, Marc (Department: 1712)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
C525S391000, C525S395000, C525S534000, C528S086000, C528S176000, C528S162000, C528S192000, C526S303100, C526S313000, C526S317100, C526S319000, C526S322000, C526S346000
Reexamination Certificate
active
06962965
ABSTRACT:
A functionalized poly(arylene ether) having a pendant carbon—carbon double bond is prepared by reacting the hydroxy end group of a poly(arylene ether) with a polyisocyanate compound to produce a urethane-capped poly(arylene ether) having pendant isocyanate functionality, which is then reacted with a polyfunctional compound having a carbon—carbon double bond and a hydroxy, thiol, or amino group. The functionalized poly(arylene ether) is useful as a component of a curable composition in which its carbon—carbon double bond copolymerizes with one or more olefinically unsaturated comonomers.
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