Silicone-sulfone and silicone-fluorocarbon-sulfone gas permeable

Details Silicone-sulfone and silicone-fluorocarbon-sulfone gas permeable Silicone-sulfone and silicone-fluorocarbon-sulfone gas permeable

1986-06-06

1988-05-31

Ivy, C. Warren

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526245, 526279, 526286, 526916, 523107, 524851, C08F 3008

Patent

active

047482249

ABSTRACT:
Highly oxygen permeable hard and semi-hard contact lenses are made from the copolymer of ethylenically unsaturated siloxane ester, ethylenically unsaturated fluorocarbon ester and ethylenically unsaturated sulfone monomer and methods for the polymerization thereof.

REFERENCES:
patent: 2538100 (1951-01-01), Irany
patent: 2793223 (1957-05-01), Merker
patent: 3594353 (1971-07-01), Domba
patent: 4182822 (1980-01-01), Chang
patent: 4216303 (1980-08-01), Novicky
patent: 4246389 (1981-01-01), LeBoeuf
patent: 4433125 (1984-02-01), Ichinoke et al.

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