Stable aqueous dispersions of colour developer

Details for Australian Patent Application No. 2006274967 (hide)

Owner Ciba Specialty Chemicals Holding Inc.

Inventors O'Neil, Robert Montgomery

Agent Spruson & Ferguson

Pub. Number AU-A-2006274967

PCT Pub. Number WO2007/014847

Priority 05106950.8 28.07.05 EP

Filing date 19 July 2006

Wipo publication date 8 February 2007

International Classifications

C07C 311/51 (2006.01) Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups

B41M 5/132 (2006.01) Duplicating or marking methods - Chemical colour-forming components

B41M 5/333 (2006.01) Duplicating or marking methods

B41M 5/337 (2006.01) Duplicating or marking methods

C07C 311/60 (2006.01) Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups

Event Publications

14 February 2008 PCT application entered the National Phase

  PCT publication WO2007/014847 Priority application(s): WO2007/014847

10 September 2009 Assignment before Grant

  Ciba Specialty Chemicals Holding Inc. The application has been assigned to BASF SE

5 August 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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