Coatings for drug delivery devices comprising hydrolitically stable adducts of poly(ethylene-co-vinyl alcohol) and methods for fabricating the same
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United States of America Patent
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Jan 15, 2008
Grant Date -
Mar 31, 2005
app pub date -
Sep 30, 2003
filing date -
Sep 30, 2003
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Abstract
A polymer coating for medical devices based on a derivatized poly(ethylene-co-vinyl alcohol) is disclosed. A variety of polymers are described to make coatings for medical devices, particularly, for drug delivery stents. The polymers include poly(ethylene-co-vinyl alcohol) modified by alkylation, esterification, and introduction of fluorinated alkyl fragments, polysiloxane fragments and poly(ethylene glycol) fragments into the macromolecular chains of poly(ethylene-co-vinyl alcohol).
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