PYRIDONE DYES, A PROCESS FOR THEIR PREPARATION AND THEIR USE IN THE PRODUCTION OF COLOURED PLASTICS OR POLYMERIC COLOUR PARTICLES

Details for Australian Patent Application No. 2002257800 (hide)

Owner CIBA SPECIALTY CHEMICALS HOLDING INC.

Inventors TZIKAS, Athanassios; LAUK, Urs; DREIER, Romeo; CLEMENT, Antoine

Pub. Number AU-A-2002257800

PCT Pub. Number WO2002/090442

Priority 823/01 07.05.01 CH; 1387/01 25.07.01 CH

Filing date 30 April 2002

Wipo publication date 18 November 2002

International Classifications

C09B 035/30 Disazo or polyazo dyes of the type A D B prepared by diazotising and coupling

C09B 035/031 Disazo or polyazo dyes of the type A D B prepared by diazotising and coupling

Event Publications

1 May 2003 Application Open to Public Inspection

  Published as AU-A-2002257800

26 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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