(19)

(11)

EP 1 230 436 A1

(12)

(43) Date of publication: 14.08.2002 Bulletin 2002/33 (21) Application number: 00966360.0 (22) Date of filing: 16.10.2000

(51) International Patent Classification (IPC)7: C25C 3/08 (86) International application number: PCT/IB0001/483 (87) International publication number: WO 0131/087 (03.05.2001 Gazette 2001/18)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 26.10.1999 WO PCT/IB99/01739 01.11.1999 US 431023 (71) Applicant: MOLTECH Invent S.A. 2320 Luxembourg (LU)	(72) Inventors: DURUZ, Jean-Jacques CH-1204 Geneva (CH) DE NORA, Vittorio Nassau (BS) BERCLAZ, Georges CH-3968 Veyras (CH) (74) Representative: Cronin, Brian  c/o Moltech S.A.,9, Route de Troinex 1227 Carouge 1227 Carouge (CH)