Dual function UV-absorbers for ophthalmic lens materials

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C548S257000, C526S313000

Reexamination Certificate

active

07119210

ABSTRACT:
Disclosed are UV absorbers that contain a labile functional group capable of initiating free radical polymerization.

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