(19)

(11)

EP 1 381 716 A1

(12)

(43) Date of publication: 21.01.2004 Bulletin 2004/04 (21) Application number: 02702624.4 (22) Date of filing: 04.03.2002

(51) International Patent Classification (IPC)7: C25C 3/12 (86) International application number: PCT/IB2002/000667 (87) International publication number: WO 2002/070786 (12.09.2002 Gazette 2002/37)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 07.03.2001 WO PCT/IB01/00322 (71) Applicant: MOLTECH Invent S.A. 1520 Luxembourg (LU)	(72) Inventors: NGUYEN, Thinh, T. CH-1213 Onex (CH) DE NORA, Vittorio Nassau (BS) (74) Representative: Cronin, Brian  c/o Moltech S.A.,9, Route de Troinex 1227 Carouge 1227 Carouge (CH)