Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Peptide containing doai
Reexamination Certificate
2005-07-12
2005-07-12
Weber, Jon (Department: 1653)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Peptide containing doai
C424S486000
Reexamination Certificate
active
06916788
ABSTRACT:
The present invention relates to a liquid polymeric composition capable of forming a physiologically active substance-containing implant when it is injected into a living body and a method of preparation thereof. The composition comprises a water-soluble biocompatible liquid polyethylene glycol derivative, a biodegradable block copolymer which is insoluble in water but soluble in the water-soluble biocompatible liquid polyethylene glycol derivative and a physiologically active substance.
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Choi In-Ja
Seo Min-Hyo
Edwards & Angell LLP
Mondesi Robert B.
Samyang Corporation
Weber Jon
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