(19)
(11) EP 1 794 334 A1

(12)

(43) Date of publication:
13.06.2007 Bulletin 2007/24

(21) Application number: 05779682.3

(22) Date of filing: 06.09.2005
(51) International Patent Classification (IPC): 
C22B 19/20(2006.01)
C25C 1/16(2006.01)
 C22B 3/00(2006.01)
(86) International application number:
PCT/FI2005/000380
(87) International publication number:
WO 2006/027412 (16.03.2006 Gazette 2006/11)
(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: 08.09.2004 FI 20041163

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

(72) Inventor:
  • RUONALA, Mikko
    FI-02460 Kantvik (FI)

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

   


(54) PREPARATION OF ZINC CHEMICALS FROM THE MINOR FLOW OF A PROCESS