(19)
(11) EP 1 436 434 A1

(12)

(43) Date of publication:
14.07.2004 Bulletin 2004/29

(21) Application number: 02760343.0

(22) Date of filing: 20.09.2002
(51) International Patent Classification (IPC)7: C22B 15/00
(86) International application number:
PCT/FI2002/000748
(87) International publication number:
WO 2003/025236 (27.03.2003 Gazette 2003/13)
(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: 21.09.2001 FI 20011859

(71) Applicant: Outokumpu Oyj
02200 Espoo (FI)

(72) Inventors:
  • KOJO, Ilkka
    FIN-02400 Kirkkonummi (FI)
  • HANNIALA, Pekka
    FIN-02730 Espoo (FI)
  • CABALLERO DERAMOND, Carlos
    Chuquicamata (CL)
  • ACUNA ROJAS, Cesar
    Chuquicamata (CL)

(74) Representative: Zipse + Habersack 
Wotanstrasse 64
80639 München
80639 München (DE)

   


(54) METHOD FOR THE PRODUCTION OF BLISTER COPPER