Patent · US Active

Production of meso-lactide, D-lactide and L-lactide by back biting of polylactide

US10227322B2 · kind B2 · utility

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1References
7Claims
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Key dates

Filing dateNov 6, 2017
Grant dateMar 12, 2019
Priority date—
Expiry dateNov 6, 2037

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D167/04
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Process for increasingly producing D-Lactide and meso lactide by depolymerizing by back biting polylactide (PLA) said process which comprises:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.