Vinyl carbonate and vinyl carbamate contact lens material monome

Details Vinyl carbonate and vinyl carbamate contact lens material monome Vinyl carbonate and vinyl carbamate contact lens material monome

1995-05-25

1997-03-11

Glass, Margaret W.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526245, 526286, 526301, 526314, C08F23008

Patent

active

056102526

ABSTRACT:
Novel monomers of the general formula ##STR1## where b is 0 or 1, a is 1, 2, 3 or 4, R.sup.2 is a monovalent alkyl radical and R is an organic radical. The novel monomers may be employed to produce novel copolymers useful as hydrogel, soft non-hydrogel and/or rigid gas permeable contact lens materials.

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