EP 3899089 A1 20211027 - ANTICORROSION TREATMENT SOLUTION AND USES
Title (en)
ANTICORROSION TREATMENT SOLUTION AND USES
Title (de)
KORROSIONSSCHUTZBEHANDLUNGSLÖSUNG UND VERWENDUNGEN
Title (fr)
SOLUTION DE TRAITEMENT ANTICORROSION ET UTILISATIONS
Publication
Application
Priority
- FR 1873546 A 20181220
- FR 2019053191 W 20191219
Abstract (en)
[origin: WO2020128353A1] The present invention relates to a solution that is free of chromium in all its oxidising states, comprising: - at least one chemical oxidising compound, - at least one aluminium complexing agent, - at least one corrosion inhibiting compound, and - optionally, a chemical sealant compound, the solution having a pH in the range from 1 to 5. The present invention also relates to a method for treating a metal surface, comprising the application, on the surface, of a solution as defined above. The present invention additionally relates to a coating of a metal surface that can be obtained by the method for treating a metal surface as defined above, to a metal surface comprising the coating and to the use of the solution in an anti-corrosion treatment of a metal surface.
IPC 8 full level
C23C 22/36 (2006.01); C23C 22/44 (2006.01); C23C 22/47 (2006.01); C23C 22/73 (2006.01); C23G 1/00 (2006.01); C23G 1/12 (2006.01); C23G 1/22 (2006.01)
CPC (source: EP KR US)
C23C 22/364 (2013.01 - EP KR US); C23C 22/44 (2013.01 - EP KR US); C23C 22/47 (2013.01 - EP KR US); C23C 22/73 (2013.01 - EP); C23C 22/78 (2013.01 - KR US); C23G 1/00 (2013.01 - EP); C23G 1/125 (2013.01 - KR US); C23G 1/22 (2013.01 - KR US); C23G 1/125 (2013.01 - EP); C23G 1/22 (2013.01 - EP)
Citation (search report)
See references of WO 2020128353A1
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2020128353 A1 20200625; CA 3123826 A1 20200625; CN 113544312 A 20211022; EP 3899089 A1 20211027; FR 3090694 A1 20200626; FR 3090694 B1 20230526; KR 20210126552 A 20211020; US 2023193472 A1 20230622
DOCDB simple family (application)
FR 2019053191 W 20191219; CA 3123826 A 20191219; CN 201980092075 A 20191219; EP 19848930 A 20191219; FR 1873546 A 20181220; KR 20217022105 A 20191219; US 201917312680 A 20191219