Global Patent Index - EP 1073530 A1

EP 1073530 A1 2001-02-07 - REMOVAL OF CONTAMINANTS FROM MATERIALS

Title (en)

REMOVAL OF CONTAMINANTS FROM MATERIALS

Title (de)

ENTFERNUNG VON VERUNREINIGUNGEN AUF MATERIALIEN

Title (fr)

ELIMINATION DE CONTAMINANTS DANS DES MATERIAUX

Publication

EP 1073530 A1 (EN)

Application

EP 98908730 A

Priority

US 9803734 W

Abstract (en)

[origin: WO9943446A1] A method and an apparatus for cleaning and recycling solvents with an apparatus having pressure chambers (102) and a conduit in fluid communication with an outflow valve (116) of the chambers and an inflow valve (108) of the pressure chambers.

IPC 1-7 (main, further and additional classification)

B08B 3/00; B08B 3/08; B08B 5/00; B08B 5/04; D06F 43/00; D06F 43/08; D06L 1/00; D06L 1/08

IPC 8 full level (invention and additional information)

B01J 20/34 (2006.01); B08B 3/08 (2006.01); B08B 3/12 (2006.01); B08B 7/00 (2006.01); C11D 11/00 (2006.01); D06L 1/08 (2006.01); D06L 1/10 (2006.01)

CPC (invention and additional information)

C11D 11/0076 (2013.01); B01J 20/12 (2013.01); B01J 20/14 (2013.01); B01J 20/261 (2013.01); B01J 20/262 (2013.01); B01J 20/28004 (2013.01); B01J 20/3425 (2013.01); B01J 20/3433 (2013.01); B01J 20/345 (2013.01); B01J 20/3491 (2013.01); B08B 3/08 (2013.01); B08B 3/12 (2013.01); B08B 7/0021 (2013.01); C11D 11/007 (2013.01); D06L 1/08 (2013.01); D06L 1/10 (2013.01); Y02C 10/08 (2013.01)

Citation (search report)

See references of WO 9943446A1

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

WO 9943446 A1 19990902; CA 2321888 A1 19990902; EP 1073530 A1 20010207

INPADOC legal status


2004-04-21 [18W] WITHDRAWN

- Effective date: 20040224

2001-02-07 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000922

2001-02-07 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB