Organic compounds -- part of the class 532-570 series – Organic compounds – Silicon containing
Patent
1989-05-02
1991-12-03
Shaver, Paul F.
Organic compounds -- part of the class 532-570 series
Organic compounds
Silicon containing
556420, 556429, 556437, 556440, 544229, C07F 708, C07F 710
Patent
active
050702157
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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Bambury Ronald E.
Seelye David E.
Bausch & Lomb Incorporated
Blank Christopher E.
Larson Craig E.
Pace Salvatore P.
Shaver Paul F.
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