Silane ester contact lens composition, article and method of man

Details Silane ester contact lens composition, article and method of man Silane ester contact lens composition, article and method of man

1982-11-01

1985-08-13

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

523106, C08F 3008, C08F13008, C08F23008

Patent

active

045351384

ABSTRACT:
A copolymer composition, especially adapted for use in fabricating a contact lens comprises a copolymer of comonomers which include about 1-95 parts by weight of hydroxy silane esters of acrylic or methacrylic acid having a silanol functionality of 10-20% and about 99-5 parts by weight of a C.sub.1 -C.sub.20 alkyl ester of acrylic or methacrylic acid. Contact lenses and contact lens buttons are formed of such copolymer by conventional techniques and also by injection molding and by compression molding.

REFERENCES:
patent: 4152508 (1979-05-01), Ellis et al.
patent: 4216303 (1980-08-01), Novicky
patent: 4259467 (1981-03-01), Keough et al.
patent: 4419565 (1983-08-01), Ratkowski et al.

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