(19)

(11)

EP 1 135 337 A2

(12)

(88) Date of publication A3: 10.02.2000 (43) Date of publication: 26.09.2001 Bulletin 2001/39 (21) Application number: 99908713.3 (22) Date of filing: 19.03.1999

(51) International Patent Classification (IPC)7: C02F 1/00 (86) International application number: PCT/CA9900/233 (87) International publication number: WO 9948/817 (30.09.1999 Gazette 1999/39)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 25.03.1998 US 79342 P (71) Applicant: Hygenitek Inc. Markham,Ontario L3R 1A5 (CA)	(72) Inventor: LUSCOMBE, John, Stanbury Etobicoke, Ontario M9V 4S7 (CA) (74) Representative: Freed, Arthur Woolf et al Reginald W. Barker & Co.,Clifford's Inn,Fetter Lane London EC4A 1BY London EC4A 1BY (GB)