AN IMPROVED PROCESS FOR THE PREPARATION OF BIOTIN

Details for Australian Patent Application No. 2003276510 (hide)

Owner ORCHID CHEMICALS AND PHARMACEUTICALS LTD

Inventors DESHPANDE, Pandurang, Balwant; HOLKAR, Anil, Ganpat; KARALE, Sanjay, Nivrutti; JAFRI, Wajid, Sajjad; DAS, Gautam, Kumar

Pub. Number AU-A-2003276510

PCT Number PCT/IB03/04974

PCT Pub. Number WO2004/041830

Priority 815/MAS/2002 07.11.02 IN

Filing date 6 November 2003

Wipo publication date 7 June 2004

International Classifications

C07D 495/04 Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms

Event Publications

19 February 2004 Complete Application Filed

  Priority application(s): 815/MAS/2002 07.11.02 IN

1 July 2004 Application Open to Public Inspection

  Published as AU-A-2003276510

21 July 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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