Global Patent Index - EP 0832959 B1

EP 0832959 B1 2001-05-30 - 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 (DE)

Application

EP 97112377 A

Priority

DE 19629544 A

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 (main, further and additional classification)

C10J 3/57; C10J 3/08

IPC 8 full level (invention and additional information)

C10J 3/57 (2006.01)

CPC (invention and additional information)

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

EPO simple patent family

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

INPADOC legal status


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2012-10-26 [REG FR TP] TRANSMISSION OF PROPERTY

- Owner name: LINDE AG, DE

- Effective date: 20120921

2012-05-03 [REG DE R081] CHANGE OF APPLICANT/PATENTEE

- Owner name: LINDE AG, DE

- Free text: FORMER OWNER: LINDE-KCA-DRESDEN GMBH, 01277 DRESDEN, DE

- Document: DE 59703659

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2002-05-22 [26N] NO OPPOSITION FILED

2002-01-01 [REG GB IF02] EUROPEAN PATENT IN FORCE AS OF 2002-01-01

2001-10-12 [ET] FR: TRANSLATION FILED

2001-09-05 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20010810

2001-08-22 [ITF] IT: TRANSLATION FOR A EP PATENT FILED

- Owner name: JACOBACCI & PERANI S.P.A.

2001-07-05 [REF] CORRESPONDS TO:

- Document: DE 59703659 20010705

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1998-12-16 [RBV] DESIGNATED CONTRACTING STATES (CORRECTION)

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