TREATING SOLUTION FOR FORMING BLACK HEXAVALENT CHROMIUM-FREE CHEMICAL COATING ON ZINC OR ZINC ALLOY PLATED SUBSTRATE, AND METHOD FOR FORMING BLACK HEXAVALENT CHROMIUM-FREE CHEMICAL COATING ON ZINC OR ZINC ALLOY PLATED SUBSTRATE

Details for Australian Patent Application No. 2003213350 (hide)

Owner DIPSOL CHEMICALS CO.,LTD.

Inventors INOUE, Manabu; NAKAJIMA, Ryo; WATANABE, Kazuhiro; WATANABE, Kimitaka

Pub. Number AU-A-2003213350

PCT Number PCT/JP03/02994

PCT Pub. Number WO2003/076686

Priority 2002-70175 14.03.02 JP

Filing date 13 March 2003

Wipo publication date 22 September 2003

International Classifications

C23C 022/53 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

24 July 2003 Complete Application Filed

  Priority application(s): 2002-70175 14.03.02 JP

30 October 2003 Application Open to Public Inspection

  Published as AU-A-2003213350

2 December 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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