Perfluorocyclobutane copolymers

Details Perfluorocyclobutane copolymers Perfluorocyclobutane copolymers

2008-07-22

2008-07-22

Mulcahy, Peter D. (Department: 1796)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S050000, C525S292000, C526S211000, C526S242000

Reexamination Certificate

active

07402634

ABSTRACT:
The present invention provides copolymer having repeating units based on polyoxyalkylene radicals, polysiloxane radicals and perfluorocyclobutane radicals. The copolymers are useful as biomedical devices such as contact lenses or intraocular lenses.

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