(19)

(11)

EP 1 023 243 A1

(12)

(43) Date of publication: 02.08.2000 Bulletin 2000/31 (21) Application number: 98944199.3 (22) Date of filing: 17.09.1998

(51) International Patent Classification (IPC)7: C02F 1/46 (86) International application number: PCT/IL9800/453 (87) International publication number: WO 9916/715 (08.04.1999 Gazette 1999/14)

(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: 01.10.1997 IL 12188097 (71) Applicants: Argad Water Treatment Industries Ltd. Atlit 30300 (IL) Itzhak, David Omer 84965 (IL)	(72) Inventor: ITZHAK, David 84965 Omer (IL) (74) Representative: Petraz, Gilberto Luigi  GLP S.r.l.Piazzale Cavedalis 6/2 33100 Udine 33100 Udine (IT)