(19)
(11) EP 2 649 219 A2

(12)

(88) Date of publication A3:
27.09.2012

(43) Date of publication:
16.10.2013 Bulletin 2013/42

(21) Application number: 11847810.6

(22) Date of filing: 07.12.2011
(51) International Patent Classification (IPC): 
C23C 22/78(2006.01)
C23C 22/06(2006.01)
 C23C 22/80(2006.01)
(86) International application number:
PCT/US2011/063789
(87) International publication number:
WO 2012/078788 (14.06.2012 Gazette 2012/24)
(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

(30) Priority: 07.12.2010 US 420509 P

(71) Applicant: Henkel AG & Co. KGaA
40589 Düsseldorf (DE)

(72) Inventors:
  • VONK, Donald, R.
    Clinton Township, MI 48036 (US)
  • KAPIC, Edis
    Sterling Heights, MI 48312 (US)
  • SIENKOWSKI, Michael, L.
    Warren, MI 48093 (US)

   


(54) METAL PRETREATMENT COMPOSITION CONTAINING ZIRCONIUM, COPPER, AND METAL CHELATING AGENTS AND RELATED COATINGS ON METAL SUBSTRATES