PRODUCTION METHOD OF 2,6-DIHALOPURINE

Details for Australian Patent Application No. 2003226448 (hide)

Owner SUMIKA FINE CHEMICALS CO., LTD.

Inventors KUMAZAWA, Hiroharu; KAWAKAMI, Takehiko; HAYASHI, Taketo

Pub. Number AU-A-2003226448

PCT Number PCT/JP03/04259

PCT Pub. Number WO2003/084958

Priority 2002-102456 04.04.02 JP

Filing date 3 April 2003

Wipo publication date 20 October 2003

International Classifications

C07D 473/40 Heterocyclic compounds containing purine ring systems

Event Publications

7 August 2003 Complete Application Filed

  Priority application(s): 2002-102456 04.04.02 JP

27 November 2003 Application Open to Public Inspection

  Published as AU-A-2003226448

23 December 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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