Hexavalent chromium-free surfacetreating agent for Snor Al-based coated steel sheet, and surface treated steel sheet

Details for Australian Patent Application No. 2001284461 (hide)

Owner Nippon Steel Corporation

Inventors Nakamura, Mitsuru; Izaki, Teruaki; Mizuno, Kensuke; Fuda, Masahiro; Kawakami, Katsuyuki

Agent Spruson & Ferguson

Pub. Number AU-B-2001284461

PCT Pub. Number WO02/20874

Priority 2000-271140 07.09.00 JP

Filing date 6 September 2001

Wipo publication date 22 March 2002

Acceptance publication date 1 June 2006

International Classifications

C23C 22/74 (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

C09D 5/08 (2006.01) Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced - Anti-corrosive paints

C09D 191/06 (2006.01) Coating compositions based on oils, fats or waxes

C09D 191/08 (2006.01) Coating compositions based on oils, fats or waxes

Event Publications

1 June 2006 Application Accepted

  Published as AU-B-2001284461

28 September 2006 Standard Patent Sealed

29 March 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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