Crosslinked hydrogels derived from hydrophilic polymer backbones

Details Crosslinked hydrogels derived from hydrophilic polymer backbones Crosslinked hydrogels derived from hydrophilic polymer backbones

1991-08-22

1993-05-11

Seidleck, James J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523106, 525278, 525293, C08F27102

Patent

active

052101118

ABSTRACT:
The crosslinked polymerization product of the reaction product of a polymeric backbone containing pendant hydroxyl groups with an unsaturated monoisocyanate or of said reaction product with an ethylenically unsaturated monomer gives a hydrogel material suitable for making contact lenses.

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