Pyridine N-oxide based azo dyes and their metal complexes for use in optical layers for optical data recording

Details for Australian Patent Application No. 2005313331 (hide)

Owner Clariant Finance (BVI) Limited

Inventors Pays, Christophe

Agent Davies Collison Cave

Pub. Number AU-A-2005313331

PCT Pub. Number WO2006/061398

Priority 04029031.4 08.12.04 EP

Filing date 7 December 2005

Wipo publication date 15 June 2006

International Classifications

G11B 7/246 (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

C09B 29/036 (2006.01) Monoazo dyes prepared by diazotising and coupling

G11B 7/249 (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

Event Publications

7 June 2007 PCT application entered the National Phase

  PCT publication WO2006/061398 Priority application(s): WO2006/061398

5 November 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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