IN282841: Process for the preparation of l-lactide of high chemical yield optical purity
Abstract
A process for the synthesis of 100% optically pure L(+)-lactide catalyzed by zinc and tin metal catalysts of less than 150 micron particle size is disclosed. The L-lactide obtained was further purified to obtain lactide of 100% optical purity and acid impurities less than 10 meq/kg.
Filing Date:
26-02-2010
Issue Date:
26-04-2017
Applicant:
CSIR-National Chemical Laboratory (CSIR-NCL), Pune
Patent No:
IN282841
Application No:
0435DEL2010
Inventor(s):
Bhaskar Bhairavnath Idage; Sivaram Swaminathan
Country:
India
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