Owner Nektar Therapeutics AL, Corporation

Inventors Zhao, Xuan; Shen, Xiaoming; Bentley, Michael David; Battle, William Dudley III

Agent Griffith Hack

Pub. Number AU-B-2002352524

PCT Number PCT/US02/35759

PCT Pub. Number WO2003/040211

Priority 60/337,613 07.11.01 US

Filing date 7 November 2002

Wipo publication date 19 May 2003

Acceptance publication date 4 October 2007

A61K 47/30 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - Macromolecular compounds

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

C08G 65/332 (2006.01) Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule