(19)
(11) EP 3 830 318 A1

(12)

(43) Date of publication:
09.06.2021 Bulletin 2021/23

(21) Application number: 19742236.3

(22) Date of filing: 25.07.2019
(51) International Patent Classification (IPC): 
C25D 7/00(2006.01)
C25D 3/62(2006.01)
 C25D 3/48(2006.01)
C22C 5/02(2006.01)
(86) International application number:
PCT/EP2019/070069
(87) International publication number:
WO 2020/025448 (06.02.2020 Gazette 2020/06)
(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
Designated Validation States:
KH MA MD TN

(30) Priority: 03.08.2018 EP 18187270

(71) Applicant: COVENTYA S.p.A.
22060 Carugo (CO) (IT)

(72) Inventor:
  • CIAPPELLI, Samuele
    51010 Marliana (PT) (IT)

(74) Representative: Pfenning, Meinig & Partner mbB 
Patent- und Rechtsanwälte Theresienhöhe 11a
80339 München
80339 München (DE)

   


(54) ELECTROPLATING BATH FOR DEPOSITING A BLACK ALLOY, METHOD FOR THE ELECTROCHEMICAL DEPOSITION OF A BLACK ALLOY ON A SUBSTRATE, A BLACK ALLOY AND AN ARTICLE COATED WITH SUCH BLACK ALLOY