Methods for preparing carbonate esters of poly(ethylene glycol)

Details for Australian Patent Application No. 2006275473 (hide)

Owner Nektar Therapeutics

Inventors Kozlowski, Antoni; McKannan, Jon; McManus, Samuel P.

Agent Griffith Hack

Pub. Number AU-B-2006275473

PCT Pub. Number WO2007/016560

Priority 60/703,709 29.07.05 US

Filing date 31 July 2006

Wipo publication date 8 February 2007

Acceptance publication date 5 July 2012

International Classifications

C08G 65/32 Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule

A61K 47/48 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

7 February 2008 Amendment Made

  The nature of the amendment is: Amend the invention title to read Methods for preparing carbonate esters of poly(ethylene glycol)

7 February 2008 PCT application entered the National Phase

  PCT publication WO2007/016560 Priority application(s): WO2007/016560

25 February 2010 Assignment before Grant

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

5 July 2012 Application Accepted

  Published as AU-B-2006275473

1 November 2012 Standard Patent Sealed

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