BIODEGRADABLE POLYMERS

USPTO Patent Application US 2017/0049939 A1
Application Date: Feb. 23rd, 2017

ABSTRACT

Provided herein is a composition comprising a poly(alpha-hydroxycarboxylic acid) substantially free of acidic impurities wherein the poly(alpha-hydroxycarboxylic acid) is selected from poly(D,L-lactic-co-glycolic acid), poly(L-lactic acid), poly(D-lactic acid) and poly(D,L-lactic acid)....
Application Number:
15/341,160
International Classification:
A61L 31/10 (20060101); A61L 31/14 (20060101); B05D 3/12 (20060101); C08G 63/90 (20060101); C09D 167/04 (20060101); C09D 5/03 (20060101); A61L 31/16 (20060101); C08G 63/06 (20060101)
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CLAIMS

What is claimed is:

1. A composition comprising a poly(alpha-hydroxycarboxylic acid) substantially free of acidic impurities wherein the poly(alpha-hydroxycarboxylic acid) is poly(D,L-lactic-co-glycolic acid), wherein the poly(D,L-lactic-co-glycolic acid) contains less than 1.0 weight percent (wt/wt) of oligomeric acidic fragments of poly(D,L-lactic-co-glycolic acid).

DESCRIPTION

CROSS REFERENCE

This application is a Continuation of U.S. patent application Ser. No. 12/729,603, filed on Mar. 23, 2010, the disclosure of which is incorporated herein by reference, which claims the benefit of U.S. Provisional Application No. 61/162,653, filed Mar. 23, 2009, which is incorporated herein by reference in its entirety.
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