Method of preparing propionic acidterminated polymers

Details for Australian Patent Application No. 2005206549 (hide)

Owner Nektar Therapeutics

Inventors Kozlowski, Antoni; Mcmanus, Samuel P.

Agent Griffith Hack

Pub. Number AU-B-2005206549

PCT Pub. Number WO2005/070973

Priority 60/538,006 21.01.04 US

Filing date 21 January 2005

Wipo publication date 4 August 2005

Acceptance publication date 15 September 2011

International Classifications

C08F 8/14 (2006.01) Chemical modification by after-treatment

C07C 67/31 (2006.01) Preparation of carboxylic acid esters

C08F 8/12 (2006.01) Chemical modification by after-treatment

C08F 232/00 (2006.01) Copolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system

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

Event Publications

3 August 2006 PCT application entered the National Phase

  PCT publication WO2005/070973 Priority application(s): WO2005/070973

25 February 2010 Assignment before Grant

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

15 September 2011 Application Accepted

  Published as AU-B-2005206549

19 January 2012 Standard Patent Sealed

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