PROCESS FOR THE CONVERSION OF PENAM RING SYSTEM TO CEPHAM RING SYSTEM

Details for Australian Patent Application No. 2002368037 (hide)

Owner ORCHID CHEMICALS AND PHARMACEUTICALS LIMITED

Inventors DESHPANDE, Pandurang, Balwant; PALANISAMY, Senthilkumar, Udayampalayam; RAMAR, Padmanabhan

Pub. Number AU-A-2002368037

PCT Number PCT/IB2002/0030

PCT Pub. Number WO2004/000848

Priority 467/MAS/2002 20.06.02 IN

Filing date 2 August 2002

Wipo publication date 6 January 2004

International Classifications

C07D 501/10 Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula: , e.g. cephalosporins

Event Publications

26 February 2004 Complete Application Filed

  Priority application(s): 467/MAS/2002 20.06.02 IN

4 March 2004 Application Open to Public Inspection

  Published as AU-A-2002368037

14 July 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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