Biostable polyurethanes
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United States of America Patent
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Mar 18, 2014
Grant Date -
Jul 16, 2009
app pub date -
Mar 29, 2007
filing date -
Mar 31, 2006
priority date (Note) -
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Abstract
The present invention relates to a biostable polyurethane or polyurea comprising: (a) a soft segment comprising a polysiloxane of the general formula (I); and (b) greater than O and less than 40 wt % of a hard segment which is a reaction product of a diisocyanate and a linear difunctional chain extender, processes for their preparation and their use in the manufacture of biomaterials, devices, articles or implants.
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