Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Reexamination Certificate
2011-04-26
2011-04-26
Berman, Susan W (Department: 1765)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
C522S095000, C522S111000, C528S065000, C525S127000
Reexamination Certificate
active
07932302
ABSTRACT:
UV curable urethane (meth)acrylate polymers of Formula (1), where: R1and R′ are each independently hydrogen or C1-20hydrocarbo, R2, R′2, R3and R4are each independently optionally substituted divalent organo group, and p is an integer from about 6 to about 100 which are useful as laminating and/or pressure sensitive adhesives are disclosed as is methods of making them. The oligomers/polymers comprise a urethane extended backbone formed by reacting diisocyanates with polyols derived from rubber oligomers/polymers.
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Lu Victor
Wang Jeffrey
Berman Susan W
Cytec Surface Specialties, S.A.
Wenderoth , Lind & Ponack, L.L.P.
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