Multi-arm polymer prodrugs

Details for Australian Patent Application No. 2004274489 (hide)

Owner Nektar Therapeutics

Inventors Ren, Zhongxu; Bentley, Michael D.; Viegas, Tacey X.; Zhao, Xuan

Agent Griffith Hack

Pub. Number AU-B-2004274489

PCT Pub. Number WO2005/028539

Priority 60/584,308 30.06.04 US; 60/503,673 17.09.03 US

Filing date 17 September 2004

Wipo publication date 31 March 2005

Acceptance publication date 9 June 2011

International Classifications

C08L 71/02 (2006.01) Compositions of polyethers obtained by reactions forming an ether link in the main chain

A61K 47/48 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - the non-active ingredient being chemically bound to the active ingredient, e.g. polymer drug conjugates

Event Publications

16 March 2006 PCT application entered the National Phase

  PCT publication WO2005/028539 Priority application(s): WO2005/028539

25 February 2010 Assignment before Grant

  Nektar Therapeutics AL, Corporation The application has been assigned to Nektar Therapeutics

9 June 2011 Application Accepted

  Published as AU-B-2004274489

6 October 2011 Standard Patent Sealed

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