(19)
(11) EP 3 935 205 A1

(12)

(43) Date of publication:
12.01.2022 Bulletin 2022/02

(21) Application number: 20707301.6

(22) Date of filing: 06.03.2020
(51) International Patent Classification (IPC): 
C25D 9/02(2006.01)
C23F 11/14(2006.01)
C25D 13/12(2006.01)
 C09D 5/00(2006.01)
C23F 11/16(2006.01)
(52) Cooperative Patent Classification (CPC):
C09D 5/00; C25D 13/12; C23C 22/63; C25D 9/02; C23C 22/68; C23C 22/52; C23C 22/60; C23C 22/58; C23F 11/165
(86) International application number:
PCT/EP2020/056080
(87) International publication number:
WO 2020/182679 (17.09.2020 Gazette 2020/38)
(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: 08.03.2019 EP 19161674

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

(72) Inventors:
  • NELIAS, Coline
    81100 Pistoia (IT)
  • BARTOLETTI, Marianna
    51037 Montale (IT)

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

   


(54) COMPOSITION AND PROCESS FOR THE PROTECTION OF PRECIOUS METAL SUBSTRATES BY AN ORGANIC NANOLAYER