Patent · US Active

Chemical recycling of PLA by alcoholysis

US8481675B2 · kind B2 · utility

2Cited by

3References

24Claims

0Family size

Assignee

GALACTIC S.A. · BE

Inventors

Philippe Coszach · Escanaffles, BE
Jean-Christophe Bogaert · Escanaffles, BE
Jonathan Willocq · Escanaffles, BE

Key dates

Filing date	Mar 31, 2010
Grant date	Jul 9, 2013
Priority date	—
Expiry date	Mar 31, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W30/62
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A process for recycling a polymer blend necessarily containing PLA, comprising grinding, compacting, dissolving in a solvent of PLA, removing the undissolved contamining polymers, alcoholysis depolymerisation reaction and purification steps.

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