ORGANIC SOLVENT-FREE PROCESS FOR THE PREPARATION OF 2-(2-NITROPHENYLAZO)PHENOLS

Details for Australian Patent Application No. 2002356731 (hide)

Owner CIBA SPECIALTY CHEMICALS HOLDING INC.

Inventors WOOD, Mervin, Gale; PASTOR, Stephen, Daniel; SUHADOLNIK, Joseph; JUDD, Deborah

Pub. Number AU-A-2002356731

PCT Number PCT/EP02/13292

PCT Pub. Number WO2003/048257

Priority 60/338,484 05.12.01 US

Filing date 26 November 2002

Wipo publication date 17 June 2003

International Classifications

C09B 041/00 Special methods of performing the coupling reaction

C07C 245/08 Compounds containing chains of at least two nitrogen atoms with at least one nitrogen-to-nitrogen multiple bond

C07D 249/20 Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms

Event Publications

27 March 2003 Complete Application Filed

  Priority application(s): 60/338,484 05.12.01 US

21 August 2003 Application Open to Public Inspection

  Published as AU-A-2002356731

19 June 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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