(19)
(11) EP 2 978 879 A1

(12)

(43) Date of publication:
03.02.2016 Bulletin 2016/05

(21) Application number: 14722742.5

(22) Date of filing: 27.03.2014
(51) International Patent Classification (IPC): 
C25F 1/06(2006.01)
C25F 7/00(2006.01)
(86) International application number:
PCT/IB2014/060230
(87) International publication number:
WO 2014/155341 (02.10.2014 Gazette 2014/40)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 29.03.2013 IT MI20130493

(71) Applicant: Tenova S.p.A.
20149 Milano (IT)

(72) Inventors:
  • MARTINES, Stefano
    I-16138 Genova (IT)
  • ASTENGO, Giovanni
    I-16156 Genova (IT)
  • LUPERI, Stefano
    I-00040 Pomezia (RM) (IT)
  • LATTANZI, Luca
    I-05100 Terni (IT)

(74) Representative: Cosenza, Simona et al
Barzanò & Zanardo Milano S.p.A. Via Borgonuovo, 10
20121 Milano
20121 Milano (IT)

   


(54) METHOD FOR TREATING IN CONTINUOUS THE SURFACE OF A LAMINATE MADE OF STAINLESS STEEL IN A SOLUTION BASED ON SULFURIC ACID