Polymer coating for medical devices
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United States of America Patent
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Apr 29, 2008
Grant Date -
Mar 29, 2007
app pub date -
Nov 28, 2006
filing date -
Feb 15, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Coatings are provided in which surfaces may be activated by covalently bonding a silane derivative to the metal surface, covalently bonding a lactone polymer to the silane derivative by in situ ring opening polymerization, and depositing at least one layer of a polyester on the bonded lactone. Biologically active agents may be deposited with the polyester layers. Such coated surfaces may be useful in medical devices, in particular stents.
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