Purification method of pemetrexed salts,sodium salts and disodium salts

Details for Australian Patent Application No. 2008318137 (hide)

Owner CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD.

Inventors Luo, Jie; Deng, Jie; Lin, Meng; Qin, Yongmei; Ye, Wenrun; Lin, Bo

Agent Fraser Old & Sohn

Pub. Number AU-B-2008318137

PCT Pub. Number WO2009/056029

Priority 200710092879.7 24.10.07 CN

Filing date 21 October 2008

Wipo publication date 7 May 2009

Acceptance publication date 19 April 2012

International Classifications

C07D 487/04 (2006.01) Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups

A61K 31/519 (2006.01) - ortho- or peri-condensed with heterocyclic rings

A61P 35/00 (2006.01) Antineoplastic agents

Event Publications

27 May 2010 PCT application entered the National Phase

  PCT publication WO2009/056029 Priority application(s): WO2009/056029

19 April 2012 Application Accepted

  Published as AU-B-2008318137

16 August 2012 Standard Patent Sealed

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