(19)
(11) EP 1 487 747 A1

(12)

(43) Date of publication:
22.12.2004 Bulletin 2004/52

(21) Application number: 02730968.1

(22) Date of filing: 28.05.2002
(51) International Patent Classification (IPC)7C02F 1/46, C25B 1/16
(86) International application number:
PCT/KR2002/001004
(87) International publication number:
WO 2003/082749 (09.10.2003 Gazette 2003/41)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 28.03.2002 KR 2002016970
04.04.2002 KR 2002018673

(71) Applicant: HANWHA CHEMICAL CORPORATION
Seoul 100-220 (KR)

(72) Inventors:
  • KIM, Dae-Sik207 Hanwha Chemical Corp. Sataek
    680-190 Ulsan-city (KR)
  • KIM, Hyung-Kwan
    120-170 Seoul (KR)
  • KIM, Hyung-Mog1301 Hyubseonghyundai apt.
    680-190 Ulsan-city (KR)

(74) Representative: HOFFMANN - EITLE 
Patent- und RechtsanwälteArabellastrasse 4
81925 München
81925 München (DE)

   


(54) ELECTROLYTE COMPOSITION FOR ELECTROLYSIS OF BRINE, METHOD FOR ELECTROLYSIS OF BRINE, AND SODIUM HYDROXIDE PREPARED THEREFROM