Dimensionally stable oxygen permeable hard contact lens material

Details Dimensionally stable oxygen permeable hard contact lens material Dimensionally stable oxygen permeable hard contact lens material

1980-07-28

1982-05-18

Bleutge, John C.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

351160R, 526279, 264 22, 521149, C08J 328, C08F 3008, G02C 704

Patent

active

043303838

ABSTRACT:
Improved contact lens materials are obtained from copolymers containing a siloxanyl alkyl ester vinyl monomer by exposing the materials to high energy radiation thereby reducing the amount of unreacted monomer and residual contaminants.

REFERENCES:
patent: 3700573 (1972-10-01), Laizier et al.
patent: 3700761 (1972-10-01), O'Driscoll et al.
patent: 3808178 (1974-04-01), Gaylord
patent: 3916033 (1975-10-01), Merrill
patent: 3959102 (1976-05-01), Wajs et al.
patent: 4152508 (1979-05-01), Ellis et al.

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