Dyes incorporating anionic and cationic groups

Details for Australian Patent Application No. 2002331248 (hide)

Owner CIBA SPECIALTY CHEMICALS HOLDING INC.

Inventors Kaser, Dolf; Weiss, Sandra; Lennartz, Michael

Agent Spruson & Ferguson

Pub. Number AU-A-2002331248

PCT Number PCT/EP02/07732

PCT Pub. Number WO2003/010239

Priority 01810719.3 20.07.01 EP

Filing date 11 July 2002

Wipo publication date 17 February 2003

International Classifications

C09B 043/16 Preparation of azo dyes from other azo compounds

C09B 044/02 Azo dyes containing onium groups

D21H 021/28 Non-fibrous material added to the pulp, characterised by its function, form or properties

Event Publications

6 February 2003 Complete Application Filed

  Priority application(s): 01810719.3 20.07.01 EP

29 May 2003 Application Open to Public Inspection

  Published as AU-A-2002331248

2 March 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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