METHODS AND APPARATUS FOR RENDERING AN OPTICALLY ENCODED MEDIUM UNREADABLE USING A VOLATILE SUBSTANCE TRANSPORT INHIBIT LAYER

Details for Australian Patent Application No. 2002248480 (hide)

Owner SPECTRADISC CORPORATION

Inventors LAWANDY, Nabil, M.

Pub. Number AU-A-2002248480

PCT Pub. Number WO2002/068179

Priority 60/270,368 21.02.01 US

Filing date 20 February 2002

Wipo publication date 12 September 2002

International Classifications

B32B 003/02 Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form - characterised by features of form at particular places, e.g. in edge regions

Event Publications

6 March 2003 Application Open to Public Inspection

  Published as AU-A-2002248480

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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