TH81055: Process for the preparation of l-lactide of high chemical yield optical purity
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.
Patent No:
TH81055
Application No:
1201004338
Filing Date:
24-08-2012
Issue Date:
08-02-2021
Applicant:
CSIR-National Chemical Laboratory (CSIR-NCL), Pune
Inventor(s):
Bhaskar Bhairavnath Idage; Sivaram Swaminathan
Country:
Thailand
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