A process for the preparation of substantially pure 4-amino-1-Isobutyl-1H-imidazo[4,5-c]-q uinoline (imiquimod)

Details for Australian Patent Application No. 2005320890 (hide)

Owner USV Limited

Inventors Sathe, Dhananjay Govind; Naik, Tushar Anil; Joshi, Anil Purushottam; Kadam, Suresh Mahadev; Wadhawa, Gurmeet Chandramohan; Gavhane, Sachin Baban; Tarur, Venkatasubramanian Radhakrishnan; Sawant, Kamlesh Digambar

Agent Freehills

Pub. Number AU-A-2005320890

PCT Pub. Number WO2006/070408

Priority PCT/ IN2004/000411 27.12.04 IN

Filing date 23 December 2005

Wipo publication date 6 July 2006

International Classifications

C07D 471/04 (2006.01) 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

Event Publications

28 June 2007 PCT application entered the National Phase

  PCT publication WO2006/070408 Priority application(s): WO2006/070408

14 January 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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