Dimensionally stable oxygen permeable hard contact lens material

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...

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264 14, 264 22, 351160, C08J 328, C08J 718, C08F27500

Patent

active

048268895

ABSTRACT:
Improved contact lens materials are obtained from copolymers containing a siloxanyl alkyl ester vinyl monomer by exposing the materials to high energy radiation thereby reducing the amount of unreacted monomer and residual contaminants.

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