(19)

(11)

EP 0 889 854 A1

(12)

(43) Date of publication: 13.01.1999 Bulletin 1999/02 (21) Application number: 97901251.0 (22) Date of filing: 06.02.1997

(51) International Patent Classification (IPC):  C02F 1/ 28( . ) (86) International application number: PCT/IL1997/000048 (87) International publication number: WO 1997/029053 (14.08.1997 Gazette 1997/35)

(84) Designated Contracting States: DE ES FR GB IT (30) Priority: 08.02.1996 IL 19960117080 (71) Applicant: Verdeco Technologies Ltd. Yoqneam 20692 (IL)	(72) Inventors: GOTTLIEB, Levi 34384 Haifa (IL) RAHMAN, Ron 34556 Haifa (IL) (74) Representative: Ferreccio, Rinaldo, et al  Jacobacci & Perani S.p.A., Via Visconti di Modrone 7 20122 Milano 20122 Milano (IT)