(19)
(11) EP 3 256 622 A1

(12)

(43) Date of publication:
20.12.2017 Bulletin 2017/51

(21) Application number: 16749522.5

(22) Date of filing: 09.02.2016
(51) International Patent Classification (IPC): 
C25C 3/12(2006.01)
 C25C 3/16(2006.01)
(86) International application number:
PCT/NO2016/000005
(87) International publication number:
WO 2016/130014 (18.08.2016 Gazette 2016/33)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 13.02.2015 NO 20150224

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

(72) Inventors:
  • HOP, Jørund
    N-6885 Årdalstangen (NO)
  • VEE, Inge Arild
    N-6885 Årdalstangen (NO)
  • STEFANSKI, Grzegorz
    N-6884 Øvre Årdal (NO)
  • LILLEBY, Anders
    N-6885 Årdalstangen (NO)
  • KUEPPERS, Hans
    52525 Waldfeucht (DE)
  • TEIGEN, Per Johnny
    N-6884 Øvre Årdal (NO)
  • HJELLE, Vidar
    N-6884 Øvre Årdal (NO)

(74) Representative: Berg, André 
Norsk Hydro ASA Intellectual Property Department P.O. Box 980 Skøyen
0240 Oslo
0240 Oslo (NO)

   


(54) AN ANODE FOR USE IN AN ELECTROLYSIS PROCESS FOR PRODUCTION OF ALUMINIUM IN CELLS OF HALL-HEROULT TYPE, AND A METHOD FOR MAKING SAME