Method for processing surfaces of aluminium alloy sheets and strips

Details for Australian Patent Application No. 2004247920 (hide)

Owner Pechiney Rhenalu

Inventors Shahani, Ravi; Benmalek, Mohamed; Hank, Evelyne

Agent Spruson & Ferguson

Pub. Number AU-A-2004247920

PCT Pub. Number WO2004/111300

Priority 03/07004 11.06.03 FR

Filing date 9 June 2004

Wipo publication date 23 December 2004

International Classifications

C23C 22/78 (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 - Pretreatment of the material to be coated

C23C 22/05 (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 - using aqueous solutions

Event Publications

5 January 2006 PCT application entered the National Phase

  PCT publication WO2004/111300 Priority application(s): WO2004/111300

14 January 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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