(19)

(11)

EP 1 807 552 A2

(12)

(88) Date of publication A3: 08.02.2007 (43) Date of publication: 18.07.2007 Bulletin 2007/29 (21) Application number: 05800288.2 (22) Date of filing: 24.10.2005

(51) International Patent Classification (IPC):  C25C 3/12(2006.01) (86) International application number: PCT/IB2005/053466 (87) International publication number: WO 2006/048790 (11.05.2006 Gazette 2006/19)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK YU (30) Priority: 05.11.2004 WO PCT/IB2004/003642 (71) Applicant: MOLTECH Invent S.A. 1520 Luxembourg (LU)	(72) Inventors: DE NORA, Vittorio CH-3968 Veyras (CH) NGUYEN, Thinh T. CH-1213 Onex (CH) (74) Representative: Cronin, Brian Harold John et al c/o Moltech S.A., Quai du Mont-Blanc 21 1201 Geneva 1201 Geneva (CH)