Biostable polycarbonate urethane products
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United States of America Patent
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Jan 23, 2001
Grant Date -
N/A
app pub date -
Nov 9, 1998
filing date -
Nov 7, 1997
priority date (Note) -
Expired
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Abstract
Porous and non-porous polycarbonate urethane polymers having a set of properties suitable for long term implantation within the body of a mammal. The polycarbonate foams and elastomers, comprise a polycarbonate material that is resistant to attack by invivo agents over extended periods of time. The polycarbonate urethane polymers are prepared by reacting polycarbonate polyols with an isocyanate and a chain extender.
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