Global Patent Index - EP 1486585 B1

EP 1486585 B1 20060927 - Method of treating metal surfaces

Title (en)

Method of treating metal surfaces

Title (de)

Verfahren zur Oberflächenbehandlung von Metallen

Title (fr)

Méthode de traitement de surfaces métalliques

Publication

EP 1486585 B1 20060927 (EN)

Application

EP 04013487 A 20040608

Priority

  • JP 2003164274 A 20030609
  • JP 2004143688 A 20040513

Abstract (en)

[origin: EP1486585A1] It is an object of the present invention to provide a method of metal surface treatment and a surface treated metal thereby, which has excellent corrosion resistance and can form a coat having high corrosion resistance on metal substrates such as iron, zinc, aluminum and magnesium. <??>A method of metal surface treatment comprising the step of forming a chemical conversion coat on the surface of ametal article tobe treatedbya chemical conversion treatment reaction by a chemical conversion treatment agent containing a zirconium-containing compound and a fluorine-containing compound, wherein said chemical conversion treatment reaction is conducted through cathodic electrolysis treatment.

IPC 8 full level

C23C 8/04 (2006.01); C23C 22/05 (2006.01); C23C 22/34 (2006.01); C23C 22/36 (2006.01); C23C 22/48 (2006.01); C23C 22/60 (2006.01); C25D 9/00 (2006.01); C25D 9/08 (2006.01); C25D 9/12 (2006.01); C25D 11/00 (2006.01)

CPC (source: EP KR US)

C23C 22/34 (2013.01 - EP US); C23C 22/36 (2013.01 - EP US); C25D 9/08 (2013.01 - EP US); C25D 9/12 (2013.01 - EP US); C25D 11/00 (2013.01 - EP KR US); C23C 2222/20 (2013.01 - EP US)

Designated contracting state (EPC)

BE DE FR IT

DOCDB simple family (publication)

EP 1486585 A1 20041215; EP 1486585 B1 20060927; AU 2004202524 A1 20041223; CA 2470445 A1 20041209; CN 1572912 A 20050202; DE 602004002519 D1 20061109; DE 602004002519 T2 20070531; JP 2005023422 A 20050127; KR 20040105617 A 20041216; US 2004244875 A1 20041209

DOCDB simple family (application)

EP 04013487 A 20040608; AU 2004202524 A 20040608; CA 2470445 A 20040608; CN 200410046519 A 20040608; DE 602004002519 T 20040608; JP 2004143688 A 20040513; KR 20040041813 A 20040608; US 86348204 A 20040608