Hydrophilic contact lenses and lens polymer

Details Hydrophilic contact lenses and lens polymer Hydrophilic contact lenses and lens polymer

1975-06-30

1976-06-22

Levin, Stanford M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 63UY, 264 1, 351160, C08F21604, C08L 3314

Patent

active

039650634

ABSTRACT:
A superior hydrophilic gel polymer and contact lenses therefrom are formed by bulk polymerization of hydroxyethyl methacrylate, 1 to 20 weight percent N-(1,1-dimethyl-3-oxobutyl) acrylamide, or a mixture thereof with iso-butyl methacrylate, up to 5 weight percent cyclohexyl methacrylate, and about 0.01 to 0.50 weight percent trimethylolpropane trimethacrylate.

REFERENCES:
patent: 2976576 (1961-03-01), Wichterle
patent: R27401 (1972-06-01), Wichterle et al.

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