Method for covering copper with patina

Details for Australian Patent Application No. 2004291674 (hide)

Owner KM Europa Metal Aktiengesellschaft

Inventors Leuchte, Jurgen

Agent Davies Collison Cave

Pub. Number AU-B-2004291674

PCT Pub. Number WO2005/049889

Priority 103 54 527.1 17.11.03 DE

Filing date 17 November 2004

Wipo publication date 2 June 2005

Acceptance publication date 27 August 2009

International Classifications

C23C 22/63 (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 22/68 (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 22/82 (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 - After-treatment

Event Publications

13 July 2006 PCT application entered the National Phase

  PCT publication WO2005/049889 Priority application(s): WO2005/049889

27 August 2009 Application Accepted

  Published as AU-B-2004291674

24 December 2009 Standard Patent Sealed

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