EP 2661517 A1 20131113 - METHOD FOR SURFACE-TREATING A PROTECTIVELY COATED SUBSTRATE
Title (en)
METHOD FOR SURFACE-TREATING A PROTECTIVELY COATED SUBSTRATE
Title (de)
VERFAHREN ZUR OBERFLÄCHENBEHANDLUNG EINES SCHUTZBESCHICHTETEN SUBSTRATS
Title (fr)
PROCÉDÉ POUR LE TRAITEMENT DE SURFACE D'UN SUBSTRAT REVÊTU D'UNE COUCHE PROTECTRICE
Publication
Application
Priority
- EP 11150225 A 20110105
- EP 2012050132 W 20120105
- EP 12701073 A 20120105
Abstract (en)
[origin: EP2474649A1] A multi-phase protective layer (2) of a protection-coated substrate (steel strip (1)), comprising zinc and magnesium is subjected to pickling treatment on an intermetallic zinc-magnesium phase (4) using an acid. Independent claims are included for the following: (1) use of acid having a pKs value of less than 0 in surface-treatment process; and (2) surface-treated product.
IPC 8 full level
C23F 1/16 (2006.01); C23C 2/26 (2006.01); C23F 1/30 (2006.01)
CPC (source: EP KR US)
C09J 5/02 (2013.01 - EP US); C23C 2/06 (2013.01 - KR); C23C 2/26 (2013.01 - EP KR US); C23C 2/40 (2013.01 - KR); C23F 1/00 (2013.01 - EP); C23F 1/16 (2013.01 - KR); C23F 1/30 (2013.01 - EP KR US); C23G 1/02 (2013.01 - US); C23G 1/10 (2013.01 - EP US); C09J 2400/163 (2013.01 - EP US); C09J 2400/166 (2013.01 - EP US); Y10T 428/12972 (2015.01 - EP US)
Citation (examination)
JP 2001348678 A 20011218 - NISSHIN STEEL CO LTD
Designated contracting state (EPC)
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
DOCDB simple family (publication)
EP 2474649 A1 20120711; CN 103384729 A 20131106; EP 2661517 A1 20131113; JP 2014501854 A 20140123; KR 20130132574 A 20131204; US 2013316192 A1 20131128; WO 2012093150 A1 20120712
DOCDB simple family (application)
EP 11150225 A 20110105; CN 201280004713 A 20120105; EP 12701073 A 20120105; EP 2012050132 W 20120105; JP 2013547856 A 20120105; KR 20137020490 A 20120105; US 201213978171 A 20120105