Contact lenses of methyl methacrylate copolymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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351160R, 351160H, 526320, 5263297, C08F22010, C08F22026, G02C 704

Patent

active

043840973

ABSTRACT:
Contact lenses and contact shells of light-refracting material consisting essentially of a copolymer of

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patent: 3951528 (1976-04-01), Leeds
patent: 4028295 (1977-07-01), Loshaek
patent: 4038264 (1977-07-01), Rostoker et al.
patent: 4246382 (1981-01-01), Honda et al.

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