PURE LEVOFLOXACIN HEMIHYDRATE AND PROCESSES FOR PREPARATION THEREOF

Details for Australian Patent Application No. 2003285625 (hide)

Owner RANBAXY LABORATORIES LIMITED

Inventors KUMAR, Pramod; BOSE, Prosenjit; KUMAR, Yatendra; SHARMA, Tarun, Kant

Pub. Number AU-A-2003285625

PCT Number PCT/IB2003/0059

PCT Pub. Number WO2004/055025

Priority 1263/DEL/2002 16.12.02 IN

Filing date 15 December 2003

Wipo publication date 9 July 2004

International Classifications

C07D 498/06 Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms

A61K 031/535 - having six-membered rings with at least one nitrogen and at least one oxygen as the ring hetero atoms, e.g. 1,2-oxazines

Event Publications

1 April 2004 Complete Application Filed

  Priority application(s): 1263/DEL/2002 16.12.02 IN

19 August 2004 Application Open to Public Inspection

  Published as AU-A-2003285625

1 September 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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