Process for the synthesis of lactic acid polymers in the solid state and products thus obtained
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United States of America Patent
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Oct 25, 1994
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N/A
app pub date -
Sep 30, 1993
filing date -
Feb 21, 1991
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Expired
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Abstract
Polymers and copolymers of L(+) and D(-) lactic acid, with high molecular weight and in the absence of catalysts, are prepared by upgrading low molecular weight polymers in the solid state.
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