EP 2470689 A1 20120704 - PICKLING PROCESS FOR HIGH-GRADE STEEL
Title (en)
PICKLING PROCESS FOR HIGH-GRADE STEEL
Title (de)
BEIZVERFAHREN FÜR EDELSTAHL
Title (fr)
PROCÉDÉ DE DÉCAPAGE POUR ACIER INOXYDABLE
Publication
Application
Priority
- DE 102009038795 A 20090825
- EP 2010005040 W 20100817
Abstract (en)
[origin: WO2011023319A1] The invention relates to a process for the surface treatment of high-grade steel alloys and microstructures, said process comprising two process steps wherein the first process step has a pre-treatment or activation step, and the second process step is a pickling process. A solution containing hydrofluoric acid is used in both process steps.
IPC 8 full level
C23G 1/00 (2006.01); C23G 1/08 (2006.01); C23G 1/36 (2006.01)
CPC (source: EP)
C23G 1/00 (2013.01); C23G 1/086 (2013.01); C23G 1/36 (2013.01)
Citation (search report)
See references of WO 2011023319A1
Citation (examination)
- WO 02081777 A1 20021017 - AK PROPERTIES INC [US]
- AT 228137 B 19630625 - RUTHNER OTHMAR ING
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 SE SI SK SM TR
DOCDB simple family (publication)
WO 2011023319 A1 20110303; DE 102009038795 A1 20110505; EP 2470689 A1 20120704
DOCDB simple family (application)
EP 2010005040 W 20100817; DE 102009038795 A 20090825; EP 10745563 A 20100817