(19)
(11) EP 0 630 426 A1

(12)

(43) Date of publication:
28.12.1994 Bulletin 1994/52

(21) Application number: 92919515.0

(22) Date of filing: 12.08.1992
(51) International Patent Classification (IPC): 
C23F 13/ 04( . )
(86) International application number:
PCT/IT1992/000105
(87) International publication number:
WO 1993/004218 (04.03.1993 Gazette 1993/06)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL SE

(30) Priority: 14.08.1991 IT 1991VR00007

(71) Applicant: CGR DI CADIGNANI P.I. GINO
I-41100 Modena (IT)

(72) Inventor:
  • CADIGNANI, Gino
    I-41100 Modena (IT)

   


(54) PROCESS FOR MANTAINING A CATHODIC PROTECTION AGAINST CORROSION AND DEVICE FOR CARRYING OUT SAID PROCESS