(19)

(11)

EP 1 017 629 A1

(12)

(43) Date of publication: 12.07.2000 Bulletin 2000/28 (21) Application number: 98925327.3 (22) Date of filing: 05.06.1998

(51) International Patent Classification (IPC)7: C02F 1/04, B01D 1/02 (86) International application number: PCT/AU9800/427 (87) International publication number: WO 9857/891 (23.12.1998 Gazette 1998/51)

(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: 17.06.1997 AU PO741597 22.12.1997 AU PP109697 (71) Applicant: Aquajet Technologies Ltd. East Victoria Park,WA 6101 (AU)	(72) Inventor: GODDARD, Fenton Mt. Hawthorn, W.A. 6016 (AU) (74) Representative: Pearce, Anthony Richmond et al MARKS & CLERK,Alpha Tower,Suffolk Street Queensway Birmingham B1 1TT Birmingham B1 1TT (GB)