Acidic polylactic polymers
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United States of America Patent
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Aug 29, 2000
Grant Date -
N/A
app pub date -
Jan 15, 1999
filing date -
Apr 23, 1996
priority date (Note) -
Expired
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Abstract
A biodegradable polyester prepared from lactic acid, and, optionally, other hydroxy acid or acids. The polyester contains 4-100 carboxyl groups and has an average molecular weight of 1,000 to 200,000 g/mol. Also disclosed are methods of making such polyesters.
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