(19)
(11) EP 3 198 055 A1

(12)

(43) Date of publication:
02.08.2017 Bulletin 2017/31

(21) Application number: 14902597.5

(22) Date of filing: 22.09.2014
(51) International Patent Classification (IPC): 
C23C 22/66(2006.01)
C09D 5/08(2006.01)
(86) International application number:
PCT/CN2014/087068
(87) International publication number:
WO 2016/044972 (31.03.2016 Gazette 2016/13)
(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

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

(72) Inventors:
  • CAO, Huimin
    Shanghai 201399 (CN)
  • WAN, Zongyue
    Shanghai 201802 (CN)
  • WAN, Xiaoshan
    Shanghai 201203 (CN)

   


(54) ALKALINE CERIUM-BASED COATING COMPOSITION FOR METAL SURFACE PRE-TREATMENT