Patent · US Active

Process for the purification of vinyl chloride polymers (PVC) from heavy metals

US7759458B2 · kind B2 · utility

0Cited by

4References

12Claims

0Family size

Assignee

SOLVAY (Société Anonyme) · BE

Inventors

Eric Fassiau · Brussels, BE
Jean-Christophe Lepers · Ottignies, BE
Michaël Lannoy · Hamois, BE

Key dates

Filing date	Nov 21, 2005
Grant date	Jul 20, 2010
Priority date	—
Expiry date	Nov 7, 2026

Classification

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

Abstract

A process for the purification of a vinyl chloride polymer containing a compound of a heavy metal by:

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