Process for providing a thin corrosion inhibiting coating on a metallic surface

Details for Australian Patent Application No. 2003293945 (hide)

Owner Chemetall GmbH

Inventors Deemer, Michael; Cooper, Chanard

Agent Griffith Hack

Pub. Number AU-B-2003293945

PCT Number PCT/EP2003/0145

PCT Pub. Number WO2004/059034

Priority 10/328,924 24.12.02 US

Filing date 18 December 2003

Wipo publication date 22 July 2004

Acceptance publication date 22 January 2009

International Classifications

C23C 22/08 (2006.01) Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals

C23C 22/10 (2006.01) Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals

C23C 22/36 (2006.01) Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals

C23C 22/73 (2006.01) Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals - characterised by the process

Event Publications

22 April 2004 Complete Application Filed

  Priority application(s): 10/328,924 24.12.02 US

26 August 2004 Application Open to Public Inspection

  Published as AU-B-2003293945

22 January 2009 Application Accepted

  Published as AU-B-2003293945

21 May 2009 Standard Patent Sealed

12 July 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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