C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
204/109, 204/91.
C08F 2/48 (2006.01) B29C 35/08 (2006.01) B29C 59/16 (2006.01) B29D 11/00 (2006.01) C08J 3/28 (2006.01) G02B 1/04 (2006.01) B29C 39/00 (2006.01)
Patent
CA 1295281
ABSTRACT OF THE DISCLOSURE Hybrid contact lenses and other composite polymeric articles of precise dimensions are made by placing a first monomer composition in a mold and irradiating and polymerizing a central portion only with ultraviolet radiation. Unpolymerized monomer is removed, a second monomer composition is placed in contact with the polymer formed from the first monomer composition and the latter is polymerized by ultraviolet irradiation or by other means to obtain a composite article which is then machined to form a hybrid lens.
510665
Cook William H.
Deichert William G.
Westfall Norman R.
Wrue Richard J.
Bausch & Lomb Incorporated
Cook William H.
Deichert William G.
Osler Hoskin & Harcourt Llp
Westfall Norman R.
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