Wettable, gas permeable contact lens

Details Wettable, gas permeable contact lens Wettable, gas permeable contact lens

1981-11-09

1986-09-09

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

264 17, 264 24, 264 27, 351160H, 351160R, 5253291, 526263, 526272, 526279, 526320, 5263471, C08F21206, C08F21208, G02C 704

Patent

active

046110399

ABSTRACT:
Wettable, oxygen and carbon dioxide permeable, optically clear contact lenses are made of a composition comprising styrene or a substituted styrene compound, an ethylenically polyunsaturated crosslinking compound and an ethylenically unsaturated silicone containing compound and an .alpha.,.beta.-unsaturated dicarboxylic acid anhydride compound.

REFERENCES:
patent: 2361019 (1944-10-01), Gerhart
patent: 3221083 (1965-11-01), Crandon
patent: 3808178 (1974-04-01), Gaylord
patent: 4093361 (1978-06-01), Erickson et al.
patent: 4228269 (1980-10-01), Loshack et al.
patent: 4243790 (1981-01-01), Foley, Jr.
patent: 4335037 (1982-06-01), Lordi et al.

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