Contact lens composition, article and method of manufacture

Details Contact lens composition, article and method of manufacture Contact lens composition, article and method of manufacture

1982-07-14

1983-12-06

Marquis, Melvyn L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

264 11, 264 22, 351160R, 351160H, 523107, 528 26, 528 32, 525100, C08F 3008

Patent

active

044195052

ABSTRACT:
A copolymer composition, specially 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 and about 99-5 parts by weight of a C.sub.1 -C.sub.20 alkanol ester of acrylic or methacrylic acid.
Contact lenses and contact lens blanks are formed of such copolymer by conventional techniques and also by injection molding.

REFERENCES:
patent: 3808178 (1974-04-01), Gaylord
patent: 4152508 (1979-05-01), Ellis et al.
patent: 4168112 (1979-09-01), Ellis et al.
patent: 4168122 (1979-09-01), Levin
patent: 4216303 (1980-08-01), Novicky
patent: 4242483 (1980-12-01), Novicky

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