(19)

(11)

EP 1 954 855 A2

(12)

(88) Date of publication A3: 08.11.2007 (43) Date of publication: 13.08.2008 Bulletin 2008/33 (21) Application number: 06819847.2 (22) Date of filing: 29.11.2006

(51) International Patent Classification (IPC):  C25B 1/26(2006.01) C25B 11/04(2006.01) (86) International application number: PCT/EP2006/069079 (87) International publication number: WO 2007/063081 (07.06.2007 Gazette 2007/23)

(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 (30) Priority: 30.11.2005 IT MI20052298 (71) Applicant: Industrie De Nora S.p.A. 20134 Milano (IT)	(72) Inventors: KRSTAJIC, Nedeljko YU-11000 Belgrade (YU) JOVIC, Vladimir YU-11070 Belgrade (YU) MARTELLI, Gian Nicola I-20090 Vimodrone (IT) (74) Representative: Reitstötter - Kinzebach  Patentanwälte Sternwartstrasse 4 81679 München 81679 München (DE)