Polymer compositions for contact lenses

Details Polymer compositions for contact lenses Polymer compositions for contact lenses

1995-06-07

1998-10-20

Merriam, Andrew E. C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

351160H, 526320, 526325, G02C 706, C08F 3200

Patent

active

058247190

ABSTRACT:
An improved hydrogel formed from hydrated polymerization products of monomer mixtures containing a major amount of at least one hydrophilic monomer and a strengthening monomer wherein the strengthening monomer is 2-hydroxycyclohexyl methacrylate. Contact lenses made from the hydrogels are also disclosed.

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patent: 5236969 (1993-08-01), Kunzler et al.
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patent: 5298533 (1994-03-01), Nandu et al.
patent: 5310779 (1994-05-01), Lai
patent: 5352714 (1994-10-01), Lai et al.
patent: 5422395 (1995-06-01), Ooura et al.

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