Water absorbing contact lens made from polysiloxane/acrylic...

Details Water absorbing contact lens made from polysiloxane/acrylic... Water absorbing contact lens made from polysiloxane/acrylic...

C - Chemistry, Metallurgy

08

G

88/40, 400/5102,

C08G 77/04 (2006.01) C08F 230/08 (2006.01) C08G 77/20 (2006.01) G02B 1/04 (2006.01)

Patent

CA 1130949

ABSTRACT OF THE DISCLOSURE Monomeric polysiloxanes end-capped with activated un- saturated groups are copolymerized with acrylic acid to form hydrophilic, water absorbing polysiloxane contact lenses. These contact lenses are unexpectedly capable upon hydration of retaining from 1 percent to about 99 percent by weight, based upon the total weight oP the copolymer, of water.

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