Multi-arm polypeptide-poly(ethylene glycol) block copolymers as drug delivery vehicles

Details for Australian Patent Application No. 2003300380 (hide)

Owner Nektar Therapeutics AL, Corporation

Inventors Zhao, Xuan S.; Emoto, Kazunori; Ren, Zhongxu

Agent Griffith Hack

Pub. Number AU-B-2003300380

PCT Number PCT/US2003/0413

PCT Pub. Number WO2004/060977

Priority 60/437,372 30.12.02 US

Filing date 24 December 2003

Wipo publication date 29 July 2004

Acceptance publication date 6 November 2008

International Classifications

C08G 65/329 (2006.01) Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule

A61K 9/51 (2006.01) Medicinal preparations characterised by special physical form - Nanocapsules

A61K 47/34 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds

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

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

Event Publications

27 May 2004 Complete Application Filed

  Priority application(s): 60/437,372 30.12.02 US

2 September 2004 Application Open to Public Inspection

  Published as AU-B-2003300380

6 November 2008 Application Accepted

  Published as AU-B-2003300380

5 March 2009 Standard Patent Sealed

25 February 2010 Assignment Registered

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

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

2003300381-CABLE CONNECTOR WITH SHIELDED TERMINATION AREA

2003300379-Compositions and methods of using collagen and MMPI