Methanesulfonate salts of abiraterone3-esters and recovery of salts of abirater one-3-esters from solution in methyl tert-butyl ether

Details for Australian Patent Application No. 2005276298 (hide)

Owner BTG International Limited

Inventors Hunt, Neil John

Agent Watermark

Pub. Number AU-B-2005276298

PCT Pub. Number WO2006/021776

Priority 60/603,559 24.08.04 US; 0418900.7 24.08.04 GB

Filing date 23 August 2005

Wipo publication date 2 March 2006

Acceptance publication date 23 June 2011

International Classifications

C07J 43/00 (2006.01) Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta[a]hydrophenanthrene skeleton

C07J 31/00 (2006.01) Normal steroids, i.e. cyclopenta[a]hydrophenanthrenes, containing sulfur

Event Publications

15 March 2007 PCT application entered the National Phase

  PCT publication WO2006/021776 Priority application(s): WO2006/021776

23 June 2011 Application Accepted

  Published as AU-B-2005276298

6 October 2011 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 22 Sep 2011. Address for service in Australia - Watermark Patent and Trade Marks Attorneys Level 2 302 Burwood Road Hawthorn VIC 3122

2 February 2012 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 22 Sep 2011

2 February 2012 Standard Patent Sealed

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