(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