Use of squaric acid dyes in optical layers for optical data recording

Details for Australian Patent Application No. 2005249031 (hide)

Owner Clariant International (BV) Limited

Inventors Weiss, Andre

Agent Davies Collison Cave

Pub. Number AU-A-2005249031

PCT Pub. Number WO2005/119671

Priority 04013144.3 03.06.04 EP

Filing date 23 May 2005

Wipo publication date 15 December 2005

International Classifications

G11B 7/24 (2006.01) Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power - Record carriers characterised by the selection of the material or by the structure or form

Event Publications

9 November 2006 PCT application entered the National Phase

  PCT publication WO2005/119671 Priority application(s): WO2005/119671

29 January 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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