Ophthalamic device from fluoro-silicon polymers

Details Ophthalamic device from fluoro-silicon polymers Ophthalamic device from fluoro-silicon polymers

1988-02-08

1989-08-29

Henderson, Christopher

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

351160R, 351160H, 526245, G02C 704, C08F23008

Patent

active

048618500

ABSTRACT:
Comfortable, oxygen permeable hard and semi-hard contact lenses are made from the copolymer of ethylenically unsaturated siloxanylalkoxy ester monomer, ethylenically unsaturated fluorocarbon ester monomer and ethylenically unsaturated sulfone monomer; the copolymer plastic can be modified by the incorporation of hardening, stability and wettability agents and methods for the manufacture thereof.

REFERENCES:
patent: 4525563 (1985-06-01), Shibata
patent: 4540761 (1985-09-01), Kawamura

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