Three-step conversion of protected taxane ester to paclitaxel

Details for Australian Patent Application No. 2002303507 (hide)

Owner NAPRO BIOTHERAPEUTICS, INC.

Inventors Zygmunt, Jan; McChesney, James D.

Agent Patent Attorney Services of **** Parade Box Hill VIC 3128 Australia

Pub. Number AU-A-2002303507

PCT Number PCT/US02/13288

PCT Pub. Number WO2002/085879

Priority 09/843,235 25.04.01 US

Filing date 25 April 2002

Wipo publication date 5 November 2002

International Classifications

C07D 305/14 Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms

Event Publications

12 December 2002 Complete Application Filed

  Priority application(s): 09/843,235 25.04.01 US

17 April 2003 Application Open to Public Inspection

  Published as AU-A-2002303507

22 July 2004 Assignment before Grant

  NaPro Bio Therapeutics, Inc The application has been assigned to Mayne Pharma (USA) Inc

3 November 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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