Water absorbing contact lenses made from polysiloxane/acrylic ac

Details Water absorbing contact lenses made from polysiloxane/acrylic ac Water absorbing contact lenses made from polysiloxane/acrylic ac

1979-09-13

1981-07-07

Briggs, Sr., Wilbert J.

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

Synthetic resins

From silicon reactant having at least one...

351160H, 525479, 526279, C08G 7714, C08F22006

Patent

active

042775957

ABSTRACT:
Monomeric polysiloxanes end-capped with activated unsaturated 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 of the copolymer, of water.

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