Polyurethanes made from polysiloxane/polyol macromers
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United States of America Patent
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Aug 7, 2001
Grant Date -
N/A
app pub date -
Apr 20, 1999
filing date -
Dec 22, 1995
priority date (Note) -
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Abstract
The present invention describes a polymer and a precursor thereof; a prepolymer made essentially from a macromer that is cross-linked, for example, via its free hydroxy groups with a polyisocyanate, the macromer being made essentially from a polysiloxane and a polyol component; processes for the production of such prepolymers and polymers; the use of such polymers, for example, as artificial corneas, as molded articles, especially as contact lens material; also the use of a prepolymer or polymer for coating surfaces, especially functionalized polymer surfaces.
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