Bioabsorbable co-polydepsipeptide
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United States of America Patent
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Feb 19, 1991
Issued Date -
N/A
app pub date -
Dec 21, 1989
filing date -
Dec 23, 1987
priority date (Note) -
Expired
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Abstract
Novel, semi-crystalline depsipeptide polymers and copolymers particularly suitable for use in fabricating bioabsorbable medical implant devices such as sutures or clips and obtained through ring-opening polymerization of certain 3-substituted-2,5-morpholinediones prepared by reacting a naturally occurring alpha-amino acid with an alpha-halo acid chloride in inert solvent in the presence of an acid acceptor.
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