Method for purifying 20(S)-camptothecin

Details for Australian Patent Application No. 2002244711 (hide)

Owner Boehringer Ingelheim Pharma GmbH & Co. KG

Inventors Sobotta, Rainer; Rapp, Armin

Agent Davies Collison Cave

Pub. Number AU-B-2002244711

PCT Pub. Number WO2002/064597

Priority 101 06 969.3 15.02.01 DE

Filing date 9 February 2002

Wipo publication date 28 August 2002

Acceptance publication date 31 May 2007

International Classifications

C07D 491/14 (2006.01) Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or

B01D 9/02 (2006.01) Crystallisation

C07D 491/22 (2006.01) Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or

Event Publications

20 February 2003 Application Open to Public Inspection

  Published as AU-B-2002244711

31 May 2007 Application Accepted

  Published as AU-B-2002244711

1 November 2007 Standard Patent Sealed

2 September 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2002244712-SCREENING COVER

2002244710-VACCINE COMPOSITION