(19)
(11) EP 2 066 831 A1

(12)

(43) Date of publication:
10.06.2009 Bulletin 2009/24

(21) Application number: 07808629.5

(22) Date of filing: 12.09.2007
(51) International Patent Classification (IPC): 
C25C 3/16(2006.01)
 C25C 3/06(2006.01)
(86) International application number:
PCT/NO2007/000323
(87) International publication number:
WO 2008/033034 (20.03.2008 Gazette 2008/12)
(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 MT NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30) Priority: 14.09.2006 NO 20064165

(71) Applicant: Norsk Hydro ASA
0240 Oslo (NO)

(72) Inventors:
  • ØVSTETUN, Frank
    6884 Øve Årdal (NO)
  • HAUGLAND, Elin
    6884 Ovre Årdal (NO)
  • RUTLIN, Jørn
    6885 Årdalstangen (NO)
  • HOP, Jørund
    6885 Årdalstangen (NO)
  • JAREK, Stanislaw
    3919 Porsgrunn (NO)
  • MATHISEN, Sara Thörnblad
    3940 Porsgrunn (NO)

(74) Representative: Berg, André 
Hydro Aluminium AS Patent and Trademark Department Drammensveien 264
0240 Oslo
0240 Oslo (NO)

   


(54) ELECTROLYSIS CELL AND METHOD FOR OPERATING THE SAME