High refractive index flexible silicone

Details High refractive index flexible silicone High refractive index flexible silicone

2007-05-15

2007-05-15

Peng, Kuo-Liang (Department: 1712)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

C528S043000, C623S006110

Reexamination Certificate

active

10360113

ABSTRACT:
The present invention discloses to a high refractive index polysiloxane (co)polymer comprising refractive index modifying groups chemically bonded in clustered configuration to the polysiloxane backbone. The invention also discloses methods for the preparation of such high refractive index polysiloxane (co)polymers. A polysiloxane according to the invention is very suitable for use as a material for the production of intra-ocular lenses.

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patent: 0 202 542 (1986-11-01), None
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patent: 04-264421 (1992-09-01), None
patent: WO 93/21258 (1993-10-01), None

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