Crosslinked siloxane-urethane polymer contact lens
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United States of America Patent
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Jun 20, 1995
Issued Date -
N/A
app pub date -
Apr 14, 1994
filing date -
Sep 28, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A contact lens is described which is synthesized by reaction in a mold of a isocyanate capped poly(dialkylsiloxane) prepolymer with a poly(dialkylsiloxane) di- or polyalkanol. The clear polyurethane rubber contact lens is readily made completely wettable by a transfer-grafting process or post-treatment and has a high oxygen permeability.
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