Silicone-containing contact lens material and contact lenses mad

Details Silicone-containing contact lens material and contact lenses mad Silicone-containing contact lens material and contact lenses mad

1985-01-18

1986-11-25

Marcus, Melvyn I.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

528 32, 556440, 556453, 556455, 556462, 556479, 351160H, 351160R, C08F 3008

Patent

active

046250077

ABSTRACT:
Multifunctional organopolysiloxane resin systems are provided whose starting materials comprise a reactive vinyl containing silane, a disubstituted silane and a trisubstituted silane hydrolyzed together to form a resin system. The preferred material of the resin system has a viscosity of from 7 to 70 centistokes at 25.degree. C. The preferred material is in the form of a contact lens and also contains an ester and a hydrophilic agent.

REFERENCES:
patent: 3546156 (1970-12-01), Baronnier et al.
patent: 3878263 (1975-04-01), Martin
patent: 4242483 (1980-12-01), Novicky
patent: 4330383 (1982-05-01), Ellis et al.
Eaborn, Organosilicon Compounds, Academic Press, Inc. N.Y., pp. 1 to 9, 1960.
McGregor, Silicones and Their Uses, McGraw-Hill Book Co. Inc. N.Y., pp. 222-225.

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