Method for preparing metallic workpieces for cold forming

Details for Australian Patent Application No. 2006246764 (hide)

Owner Chemetall GmbH

Inventors Lang, Andreas; Schneider, Ralf; Nittel, Klaus-Dieter

Agent Watermark

Pub. Number AU-B-2006246764

PCT Pub. Number WO2006/122651

Priority 10 2005 023 023.7 19.05.05 DE

Filing date 3 May 2006

Wipo publication date 23 November 2006

Acceptance publication date 8 September 2011

International Classifications

C25D 11/36 (2006.01) Electrolytic coating by surface reaction, i.e. forming conversion layers

C23C 22/17 (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 22/18 (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 22/22 (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

Event Publications

10 January 2008 PCT application entered the National Phase

  PCT publication WO2006/122651 Priority application(s): WO2006/122651

8 September 2011 Application Accepted

  Published as AU-B-2006246764

19 January 2012 Standard Patent Sealed

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