Patent · US Active

Purification of a conventional polymer flow contaminated with PLA

US8431677B2 · kind B2 · utility

0Cited by

2References

16Claims

0Family size

Assignee

GALACTIC S.A. · BE

Inventors

Philippe Coszach · Escanaffles, BE
Jonathan Willocq · Escanaffles, BE

Key dates

Filing date	Jul 14, 2010
Grant date	Apr 30, 2013
Priority date	—
Expiry date	Jul 14, 2030

Classification

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

Abstract

Method for purifying a conventional polymer stream (PE, PP, PET, PVC, etc.) contaminated with not more than 50% PLA, comprising steps for the suspension of the polymer with solubilisation of the PLA fraction and the recovery of the purified polymer after separation.

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