A CHEMICAL BASE FOR ENGINE COOLANT / ANTIFREEZE WITH IMPROVED THERMAL STABILITY PROPERTIES

Details for Australian Patent Application No. 2002240915 (hide)

Owner SHELL INTERNATIONAL RESEARCH MAATSCHAPPIJ B.V.

Inventors BOON, Wyndham, Henry; EATON, Edward, Raynes; SMITH, Christopher, John

Pub. Number AU-A-2002240915

PCT Pub. Number WO2002/055759

Priority 60/268,642 14.02.01 US; 60/261,764 16.01.01 US; 60/267,053 06.02.01 US

Filing date 15 January 2002

Wipo publication date 24 July 2002

International Classifications

C23F 011/00 Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent

Event Publications

6 February 2003 Application Open to Public Inspection

  Published as AU-A-2002240915

5 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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