EP 3559313 A1 20191030 - COMPOSITIONS COMPRISING DIAZONIUM IONS FOR CORROSION-PROTECTIVE PRETREATMENT OF METALLIC COMPONENTS
Title (en)
COMPOSITIONS COMPRISING DIAZONIUM IONS FOR CORROSION-PROTECTIVE PRETREATMENT OF METALLIC COMPONENTS
Title (de)
ZUSAMMENSETZUNGEN ENTHALTEND DIAZONIUM-IONEN ZUR KORROSIONSSCHÜTZENDEN VORBEHANDLUNG METALLISCHER BAUTEILE
Title (fr)
COMPOSITION CONTENANT DES IONS DIAZONIUM POUR LE PRÉTRAITEMENT ANTICORROSION DE PIÈCES MÉTALLIQUES
Publication
Application
Priority
- EP 16206537 A 20161223
- EP 2017081903 W 20171207
Abstract (en)
[origin: WO2018114371A1] The present invention relates to a method of corrosion-protective pretreatment of metallic components manufactured at least partly from metallic materials of the elements iron, zinc and/or aluminium, using an acidic aqueous composition comprising free fluoride and aromatic diazonium ions.
IPC 8 full level
C23C 22/34 (2006.01); B05D 7/00 (2006.01)
CPC (source: EP)
C23C 22/34 (2013.01)
Citation (search report)
See references of WO 2018114371A1
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)
DOCDB simple family (application)
EP 2017081903 W 20171207; EP 17829612 A 20171207