Multi-arm block copolymers as drug delivery vehicles

Details for Australian Patent Application No. 2002326369 (hide)

Owner Nektar Therapeutics AL, Corporation

Inventors Zhao, Xuan

Agent Griffith Hack

Pub. Number AU-B-2002326369

PCT Number PCT/US02/21872

PCT Pub. Number WO2003/000777

Priority 60/262,754 19.01.01 US

Filing date 22 January 2002

Wipo publication date 8 January 2003

Acceptance publication date 15 March 2007

International Classifications

A61K 47/10 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - Alcohols

A61K 31/337 (2006.01) - having four-membered rings, e.g. taxol

A61K 31/366 (2006.01) - having six-membered rings, e.g. delta-lactones

A61K 31/404 (2006.01)

A61K 31/405 (2006.01)

A61K 31/663 (2006.01)

A61K 31/724 (2006.01)

A61K 31/77 (2006.01)

A61K 38/00 (2006.01) Medicinal preparations containing peptides

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

C08G 65/26 (2006.01) Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule

C08G 81/00 (2006.01) Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers

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

Event Publications

23 January 2003 Complete Application Filed

  Priority application(s): 60/262,754 19.01.01 US

19 June 2003 Application Open to Public Inspection

  Published as AU-B-2002326369

28 August 2003 Change of Name(s) of Applicant(s), Section 104

  Shearwater Corporation The name of the applicant has been changed to Nektar Therapeutics AL, Corporation

15 March 2007 Application Accepted

  Published as AU-B-2002326369

12 July 2007 Standard Patent Sealed

25 February 2010 Assignment Registered

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

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