IMPROVED METHOD FOR THE PREPARATION OF BETULIN

Details for Australian Patent Application No. 2003206799 (hide)

Owner BOEHRINGER INGELHEIM PHARMA GMBH AND CO. KG

Inventors SAUTER, Markus; BENDER, Carsten

Pub. Number AU-A-2003206799

PCT Number PCT/EP03/00906

PCT Pub. Number WO2003/066658

Priority 102 04 278.0 02.02.02 DE

Filing date 30 January 2003

Wipo publication date 2 September 2003

International Classifications

C07J 053/00 Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by condensation with carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms

Event Publications

17 July 2003 Complete Application Filed

  Priority application(s): 102 04 278.0 02.02.02 DE

25 September 2003 Application Open to Public Inspection

  Published as AU-A-2003206799

21 October 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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.

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

2003206800-PREPARATION OF NMETHYL-3-HYDROXY3-(2-THIENYL)PROPYLAMINE VIA NOVEL THIOPHENE DERIVATIVES CONTAINING CARBAMATE GROUPS AS INTERMEDIATES

2003206798-IMPROVED METHOD FOR OBTAINING BETULINIC ACID