Corrosion resistant trivalent chromium phosphated chemical conversion coatings

Details for Australian Patent Application No. 2003204821 (hide)

Owner United Technologies Corporation

Inventors Bhatia, Promila

Agent Lord and Company

Pub. Number AU-B-2003204821

Priority 10/187,179 27.06.02 US

Filing date 20 June 2003

Wipo publication date 15 January 2004

Acceptance publication date 12 August 2004

International Classifications

C23C 022/07 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

C23F 011/04 Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent - in markedly acid liquids

C09D 005/08 Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced - Anti-corrosive paints

Event Publications

3 July 2003 Complete Application Filed

  Priority application(s): 10/187,179 27.06.02 US

15 January 2004 Application Open to Public Inspection

  Published as AU-B-2003204821

12 August 2004 Application Accepted

  Published as AU-B-2003204821

23 December 2004 Standard Patent Sealed

15 January 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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