(19)

(11)

EP 1 599 283 A1

(12)

(43) Date of publication: 30.11.2005 Bulletin 2005/48 (21) Application number: 03706166.0 (22) Date of filing: 04.03.2003

(51) International Patent Classification (IPC)7: B01J 19/16, B01D 3/34, B01D 1/30 (86) International application number: PCT/CA2003/000297 (87) International publication number: WO 2004/078341 (16.09.2004 Gazette 2004/38)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK RO (71) Applicant: O'Brien, Robert Neville Victoria, British Columbia V8N 1X5 (CA)	(72) Inventor: O'Brien, Robert Neville Victoria, British Columbia V8N 1X5 (CA) (74) Representative: Sherrard-Smith, Hugh  Appleyard Lees, 15 Clare Road Halifax, HX1 2HY Halifax, HX1 2HY (GB)