Hyperbranched polyurea delivery system for binding and release of growth factors
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United States of America Patent
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Oct 30, 2012
Grant Date -
Oct 28, 2010
app pub date -
Apr 21, 2010
filing date -
Apr 22, 2009
priority date (Note) -
Expired
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Abstract
The present invention provides a polymer delivery system for the in vivo binding and release of growth factors, preferably orthobiologic GF, comprising a hyperbranched polymer having physiologically-acceptable anionic phosphorous groups. The hyperbranched polymer is preferred to be a polyurea with phosphonate anions. This polymer can be cross-linked to form a network and provide a coating for implanted devices.
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