EP 1775354 B1 20101117 - Process for cleaning metal surfaces
Title (en)
Process for cleaning metal surfaces
Title (de)
Verfahren zur Reinigung von metallhaltigen Oberflächen
Title (fr)
Procédé de nettoyage des surfaces métalliques
Publication
Application
Priority
DE 102005050556 A 20051017
Abstract (en)
[origin: DE102005050556B3] Method for cleaning parts made from aluminum or magnesium comprises contacting the parts with a first aqueous solution containing 0.2-0.5 % of a first composition made from an inorganic acid, two fatty alcohol-ethylene oxide-propylene oxide adducts (fatty alcohol-EO-PO) and a fatty alcohol ethoxylate and contacting the surface with a second aqueous solution containing 0.2-1.5 % of a second composition made from sodium hydroxide and phenol ethoxylate phosphate.
IPC 8 full level
C23G 1/12 (2006.01); C11D 1/34 (2006.01); C11D 1/825 (2006.01); C11D 3/02 (2006.01); C11D 11/00 (2006.01); C23G 1/22 (2006.01); C11D 1/72 (2006.01); C11D 1/722 (2006.01)
CPC (source: EP)
C11D 1/345 (2013.01); C11D 1/825 (2013.01); C11D 3/042 (2013.01); C11D 3/044 (2013.01); C23G 1/00 (2013.01); C23G 1/12 (2013.01); C23G 1/125 (2013.01); C23G 1/22 (2013.01); C11D 1/72 (2013.01); C11D 1/722 (2013.01); C11D 2111/16 (2024.01); C11D 2111/44 (2024.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1775354 A1 20070418; EP 1775354 B1 20101117; AT E488620 T1 20101215; DE 102005050556 B3 20070322; DE 102005050556 B8 20070726
DOCDB simple family (application)
EP 06019733 A 20060921; AT 06019733 T 20060921; DE 102005050556 A 20051017