(19)

(11)

EP 1 554 416 A1

(12)

(43) Date of publication: 20.07.2005 Bulletin 2005/29 (21) Application number: 03751166.4 (22) Date of filing: 17.10.2003

(51) International Patent Classification (IPC)7: C25C 3/18, C25C 3/06 (86) International application number: PCT/IB2003/004649 (87) International publication number: WO 2004/035871 (29.04.2004 Gazette 2004/18)

(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 (30) Priority: 18.10.2002 WO PCT/IB02/04059 (71) Applicant: MOLTECH Invent S.A. 1520 Luxembourg (LU)	(72) Inventors: DE NORA, Vittorio Nassau (BS) NGUYEN, Thinh, T. CH-1213 Onex (CH) DURUZ, Jean-Jacques CH-1204 Geneva (CH) (74) Representative: Cronin, Brian  c/o Moltech S.A.,Quai du Mont-Blanc 21 1201 Geneva 1201 Geneva (CH)