Organic compounds

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

Reexamination Certificate

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C568S615000, C523S107000

Reexamination Certificate

active

07956135

ABSTRACT:
The invention relates to novel crosslinkable copolymers of formulawherein the variables are as defined in the claims. The copolymers of the invention are especially useful for the manufacture of biomedical moldings, for example ophthalmic moldings such as in particular contact lenses.

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patent: WO 96/31791 (1996-10-01), None
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patent: WO 97/49740 (1997-12-01), None
International Search Report.

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