PROCESS FOR PREPARING NANOSIZED ACICULAR MAGNETIC MAGHEMITE PHASE IRON OXIDE PARTICLES

Details for Australian Patent Application No. 2003274417 (hide)

Owner COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH

Inventors SINHA, Arvind; CHAKRABORTY, Jui; RAO, Venkatesh

Pub. Number AU-A-2003274417

PCT Number PCT/IB03/04689

PCT Pub. Number WO2004/040593

Priority 1094/DEL/2002 30.10.02 IN

Filing date 23 October 2003

Wipo publication date 25 May 2004

International Classifications

H01F 001/00 Magnets or magnetic bodies characterised by the magnetic materials therefor

C01G 049/06 Compounds of iron

G11B 005/706 Recording by magnetisation or demagnetisation of a record carrier - characterised by the composition of the magnetic material

H01F 001/44 Magnets or magnetic bodies characterised by the magnetic materials therefor - of magnetic liquids, e.g. ferrofluids

Event Publications

12 February 2004 Complete Application Filed

  Priority application(s): 1094/DEL/2002 30.10.02 IN

24 June 2004 Application Open to Public Inspection

  Published as AU-A-2003274417

14 July 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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