(19)

(11)

EP 1 626 795 A2

(12)

(88) Date of publication A3: 22.07.2004 (43) Date of publication: 22.02.2006 Bulletin 2006/08 (21) Application number: 03758406.7 (22) Date of filing: 24.10.2003

(51) International Patent Classification (IPC):  B01D 35/15(1990.01) B01D 29/15(1990.01) B01D 29/11(1990.01) B01D 35/00(1968.09) (86) International application number: PCT/IB2003/004710 (87) International publication number: WO 2004/037384 (06.05.2004 Gazette 2004/19)

(84) Designated Contracting States: BE CZ DE DK ES FR GB IT NL PT SE (30) Priority: 24.10.2002 US 305 (71) Applicant: NTZ Nederland BV 3047 BP Rotterdam (NL)	(72) Inventors: NIEUWLAND, Pierre, Gerard, Willem NL-3140 AA Maassluis (NL) SCHAERLAECKENS, Wilhelmus, Petrus, Maria NL-3047 BP Rotterdam (NL)