Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent
1978-05-15
1980-04-15
Corbin, John K.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
351160H, 528 15, 528 31, 528 32, 528 43, C08G 7700, G02C 704
Patent
active
041981316
ABSTRACT:
Optical devices such as corneal, scleral and interocular lenses are made from phenyl-containing siloxane resins. They combine a high degree of oxygen transmission with ease of fabrication inherent to hard materials, thereby providing increased wearer comfort and ease of fabrication. A typical resin is a copolymer of phenyl, vinyl and methyl siloxanes having at least about 0.2 phenyl groups per silicon.
REFERENCES:
patent: 3228741 (1966-01-01), Becker
patent: 3373053 (1968-03-01), Clark
patent: 3474039 (1969-10-01), Newing
patent: 3518324 (1970-06-01), Polmanteer
patent: 3663650 (1972-05-01), Juliano
patent: 3808178 (1974-04-01), Gaylord
patent: 3959102 (1976-05-01), Wajs
Birdsall Arthur A.
Fitzgerald John K.
Jones David P.
Polmanteer Keith E.
Corbin John K.
Dow Corning Corporation
Fleming, Jr. Robert F.
Sugarman Scott J.
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