(19)
(11) EP 2 723 920 A2

(12)

(88) Date of publication A3:
21.02.2013

(43) Date of publication:
30.04.2014 Bulletin 2014/18

(21) Application number: 12802588.9

(22) Date of filing: 19.06.2012
(51) International Patent Classification (IPC): 
C25C 7/02(2006.01)
(86) International application number:
PCT/FI2012/050637
(87) International publication number:
WO 2012/175803 (27.12.2012 Gazette 2012/52)
(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

(30) Priority: 23.06.2011 FI 20110210

(71) Applicant: Outotec Oyj
02230 Espoo (FI)

(72) Inventors:
  • LINDGREN, Mari
    FI-28430 Pori (FI)
  • VIRTANEN, Henri
    FI-28610 Pori (FI)
  • NIEMINEN, Ville
    FI-28300 Pori (FI)

(74) Representative: Boco IP Oy Ab 
Itämerenkatu 5
00180 Helsinki
00180 Helsinki (FI)

   


(54) PERMANENT CATHODE AND A METHOD FOR TREATING THE SURFACE OF A PERMANENT CATHODE