(19)
(11) EP 4 061 986 A1

(12)

(43) Date of publication:
28.09.2022 Bulletin 2022/39

(21) Application number: 20829053.6

(22) Date of filing: 23.11.2020
(51) International Patent Classification (IPC): 
C25D 9/10(2006.01)
C25D 9/12(2006.01)
(52) Cooperative Patent Classification (CPC):
C25D 9/10; C25D 9/12
(86) International application number:
PCT/US2020/061804
(87) International publication number:
WO 2021/102413 (27.05.2021 Gazette 2021/21)
(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: 22.11.2019 US 201962939190 P

(71) Applicant: PPG Industries Ohio, Inc.
Cleveland, OH 44111 (US)

(72) Inventors:
  • SYLVESTER, Kevin T.
    Pittsburgh, PA 15237 (US)
  • OKERBERG, Brian C.
    Gibsonia, PA 15044 (US)
  • FABER, Matthew S.
    Gibsonia, PA 15044 (US)
  • BROWN-TSENG, Elizabeth S.
    Gibsonia, PA 15044 (US)
  • POST, Gordon L.
    Pittsburgh, PA 15243 (US)
  • SILVERNAIL, Nathan J.
    Mars, PA 16046 (US)

(74) Representative: f & e patent 
Braunsberger Feld 29
51429 Bergisch Gladbach
51429 Bergisch Gladbach (DE)

   


(54) METHODS FOR ELECTROLYTICALLY DEPOSITING PRETREATMENT COMPOSITIONS