Method for the protection against corrosion of a steel part made of austenitic or semi-austenitic steel during the production of sulfuric acid

Details for Australian Patent Application No. 2002344991 (hide)

Owner Outokumpu Oyj

Inventors Schalk, Wolfram; Rauser, WolfChristoph; Laibach, Stefan; Anastasijevic, Nikola; Daum, Karl-Heinz; Schnaubelt, Herbert

Agent Griffith Hack

Pub. Number AU-B-2002344991

PCT Number PCT/EP02/05842

PCT Pub. Number WO2002/101106

Priority 101 28 032.7 08.06.01 DE

Filing date 28 May 2002

Wipo publication date 23 December 2002

Acceptance publication date 3 May 2007

International Classifications

C22C 19/05 (2006.01) Alloys based on nickel or cobalt - with chromium

C22C 38/00 (2006.01) Ferrous alloys, e.g. steel alloys

C22C 38/44 (2006.01) Ferrous alloys, e.g. steel alloys - with molybdenum or tungsten

C23F 13/00 (2006.01) Inhibiting corrosion of metals by anodic or cathodic protection

F28F 19/00 (2006.01) Preventing the formation of deposits or corrosion, e.g. by using filters

F28F 21/08 (2006.01) Constructions of heat-exchange apparatus characterised by the selection of particular materials

Event Publications

6 March 2003 Complete Application Filed

  Priority application(s): 101 28 032.7 08.06.01 DE

15 May 2003 Application Open to Public Inspection

  Published as AU-B-2002344991

3 May 2007 Application Accepted

  Published as AU-B-2002344991

30 August 2007 Standard Patent Sealed

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