(19)

(11)

EP 1 583 602 A1

(12)

(43) Date of publication: 12.10.2005 Bulletin 2005/41 (21) Application number: 00930914.7 (22) Date of filing: 19.05.2000

(51) International Patent Classification (IPC)7: B01D 61/16, C02F 1/44 (86) International application number: PCT/CA2000/000598 (87) International publication number: WO 2001/087467 (22.11.2001 Gazette 2001/47)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: Purin-Pur Inc. Cowansville, Quebec J2K 2Y8 (CA)	(72) Inventors: TETRAULT, Madeleine Ste-Foy, Quebec G2G 2K4 (CA) COTE, Denis Ham-Nord, Quebec G0P 1A0 (CA) (74) Representative: MacLean, Martin Robert  Mathys & Squire 120 Holborn London EC1N 2SQ London EC1N 2SQ (GB)