Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1989-12-21
1991-02-19
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528271, 528328, 528357, 528361, 528403, 528417, 544106, C08G 6900
Patent
active
049945513
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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Fung Fu-Ning
Glowaky Raymond C.
Akers Lawrence C.
Anderson Harold D.
Dryer Mark
Pfizer Inc.
Richardson Peter C.
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