(19)
(11) EP 1 190 113 A1

(12)

(43) Date of publication:
27.03.2002 Bulletin 2002/13

(21) Application number: 00927286.5

(22) Date of filing: 16.05.2000
(51) International Patent Classification (IPC)7: C23F 13/04, C23F 13/00
(86) International application number:
PCT/FI0000/440
(87) International publication number:
WO 0070/124 (23.11.2000 Gazette 2000/47)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 17.05.1999 FI 991116

(71) Applicant: Savcor Process OY
50100 Mikkeli (FI)

(72) Inventors:
  • LAURILA, Timo
    FIN-33720 Mikkeli (FI)
  • PULLIAINEN, Martti
    FIN-52100 Anttola (FI)
  • PAUNONEN, Ari
    FIN-50190 Mikkeli (FI)

(74) Representative: Tanskanen, Jarmo Tapio et al
Papula Oy,P.O. Box 981
00101 Helsinki
00101 Helsinki (FI)

   


(54) METHOD OF PROVIDING ELECTROCHEMICAL PREVENTION OF CORROSION IN CHANGING CONDITIONS