AN ECONOMIC METHOD FOR RESTORING THE OXIDATION POTENTIAL OF A PICKLING SOLUTION

Details for Australian Patent Application No. 2002333772 (hide)

Owner HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN

Inventors CORTELLARO, Giorgio; GIORDANI, Paolo; DEMERTZIS, Ioannis

Pub. Number AU-A-2002333772

PCT Number PCT/EP02/09730

PCT Pub. Number WO2004/020700

Filing date 30 August 2002

Wipo publication date 19 March 2004

International Classifications

C23G 001/36 Cleaning or pickling metallic material with solutions or molten salts

C23G 001/08 Cleaning or pickling metallic material with solutions or molten salts - Iron or steel

C23C 022/77 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 022/34 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

13 February 2003 Complete Application Filed

6 May 2004 Application Open to Public Inspection

  Published as AU-A-2002333772

19 May 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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