(19)

(11)

EP 1 404 898 A1

(12)

(43) Date of publication: 07.04.2004 Bulletin 2004/15 (21) Application number: 02755395.7 (22) Date of filing: 09.07.2002

(51) International Patent Classification (IPC)7: C25C 3/14, G01F 11/34 (86) International application number: PCT/IB2002/002689 (87) International publication number: WO 2003/006717 (23.01.2003 Gazette 2003/04)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 11.07.2001 WO PCT/IB01/01249 (71) Applicant: MOLTECH Invent S.A. 1520 Luxembourg (LU)	(72) Inventors: BERCLAZ, Georges CH-3968 Veyras/Sierre (CH) DURUZ, Jean-Jacques CH-1204 Genève (CH) (74) Representative: Cronin, Brian  c/o Moltech S.A.,Quai du Mont-Blanc 21 1201 Geneva 1201 Geneva (CH)