Global Patent Index - EP 0832959 B1

EP 0832959 B1 20010530 - Process for working up polyvinylchloride (PVC)

Title (en)

Process for working up polyvinylchloride (PVC)

Title (de)

Verfahren zur Aufbereitung von Polyvinylchlorid (PVC)

Title (fr)

Procédé pour le traitement de chlorure polyvinylique (PVC)

Publication

EP 0832959 B1 20010530 (DE)

Application

EP 97112377 A 19970718

Priority

DE 19629544 A 19960722

Abstract (en)

[origin: DE19629544A1] Process for working up polyvinylchloride (PVC) comprises:adding the PVC to a liquid rotating slag bath (2); forming a gasifying gas (6) from the PVC, gasifying agent and oxygen, and consisting of H2, CO, CO2, H2O and HCl as well as new slag; and separating the HCl from the gasifying gas according to a known process (e.g. by absorption in water).

IPC 1-7

C10J 3/57; C10J 3/08

IPC 8 full level

C10J 3/08 (2006.01); C10J 3/57 (2006.01)

CPC (source: EP)

C10J 3/57 (2013.01); C10K 1/003 (2013.01); C10J 2300/0959 (2013.01); C10J 2300/1223 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

DE 19629544 A1 19980129; DE 19629544 C2 19981022; DE 59703659 D1 20010705; EP 0832959 A1 19980401; EP 0832959 B1 20010530

DOCDB simple family (application)

DE 19629544 A 19960722; DE 59703659 T 19970718; EP 97112377 A 19970718