Pyridinone based azo dyes and their metal complex salts

Details for Australian Patent Application No. 2008250349 (hide)

Owner Clariant Finance (BVI) Limited

Inventors Winter, Martin Alexander; Klein, Cedric; Graciet, Jean-Christophe; Lucke, Lars

Agent Davies Collison Cave

Pub. Number AU-A-2008250349

PCT Pub. Number WO2008/138812

Priority 07290675.3 30.05.07 EP; 07290584.7 09.05.07 EP; 07291190.2 01.10.07 EP; 07291189.4 01.10.07 EP; 07291039.1 23.08.07 EP

Filing date 7 May 2008

Wipo publication date 20 November 2008

International Classifications

C09B 29/00 (2006.01) Monoazo dyes prepared by diazotising and coupling

C07C 209/08 (2006.01) Preparation of compounds containing amino groups bound to a carbon skeleton

C07C 253/30 (2006.01) Preparation of carboxylic acid nitriles

C07C 255/19 (2006.01) Carboxylic acid nitriles

C07D 213/85 (2006.01) Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members

C09B 29/36 (2006.01) Monoazo dyes prepared by diazotising and coupling

C09B 69/02 (2006.01) Dyes not provided for by a single group of this subclass

C09B 69/04 (2006.01) Dyes not provided for by a single group of this subclass

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

Event Publications

22 October 2009 PCT application entered the National Phase

  PCT publication WO2008/138812 Priority application(s): WO2008/138812

3 May 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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