Monosubstituted squaric acid metal complex dyes and their use in optical layers for optical data recording

Details for Australian Patent Application No. 2005305923 (hide)

Owner Clariant International Ltd.

Inventors Weiss, Andre

Agent Davies Collison Cave

Pub. Number AU-A-2005305923

PCT Pub. Number WO2006/053834

Priority 04027630.5 22.11.04 EP

Filing date 4 November 2005

Wipo publication date 26 May 2006

International Classifications

C07F 15/04 (2006.01) Compounds containing elements of the 8th Group of the Periodic System

C07F 19/00 (2006.01) Metal compounds according to more than one of main groups

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

24 May 2007 PCT application entered the National Phase

  PCT publication WO2006/053834 Priority application(s): WO2006/053834

19 November 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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