SOLVENT-FREE PROCESS FOR THE PREPARATION OF DIKETOPYRROLOPYRROLE DERIVATIVES

Details for Australian Patent Application No. 2003242896 (hide)

Owner MCA TECHNOLOGIES GMBH

Inventors KAUL, Bansi, Lal

Pub. Number AU-A-2003242896

PCT Number PCT/IB03/02710

PCT Pub. Number WO2004/076456

Priority PCT/IB03/00758 27.02.03 IB

Filing date 24 June 2003

Wipo publication date 17 September 2004

International Classifications

C07D 487/04 Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups

C07D 403/14 Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group

C07D 209/46 Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom

C09B 069/00 Dyes not provided for by a single group of this subclass

C07D 471/04 Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups

C07D 401/04 Heterocyclic compounds containing two or more hetero rings

Event Publications

11 September 2003 Complete Application Filed

  Priority application(s): PCT/IB03/00758 27.02.03 IB

21 October 2004 Application Open to Public Inspection

  Published as AU-A-2003242896

10 November 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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