Coumarin endcapped absorbable polymers
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United States of America Patent
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Dec 5, 2006
Grant Date -
Nov 14, 2002
app pub date -
May 8, 2002
filing date -
Jul 30, 1999
priority date (Note) -
Expired
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Abstract
The present invention includes photocurable, liquid polymers incorporating coumarin ester endgroups into their molecular structure, which polymers are crosslinked upon irradiation with ultraviolet light by photochemically allowed [2+2] cycloaddition reactions among the chain ends, and which crosslinked polymers are useful in the preparation of medical devices, tissue engineering scaffolds, drug delivery systems and, in particular, in vivo preparation of implants in an open surgical procedure or laproscopically.
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