Hyperbranched polymers

Details for Australian Patent Application No. 2004293255 (hide)

Owner The University of Sheffield

Inventors Twyman, Lance James

Agent Halford & Co

Pub. Number AU-A-2004293255

PCT Pub. Number WO2005/052023

Priority 0327135.0 21.11.03 GB

Filing date 17 November 2004

Wipo publication date 9 June 2005

International Classifications

C07D 487/22 (2006.01) Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups

C08G 63/00 (2006.01) Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule

C08G 65/00 (2006.01) Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule

C08G 69/00 (2006.01) Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule

Event Publications

1 June 2006 PCT application entered the National Phase

  PCT publication WO2005/052023 Priority application(s): WO2005/052023

4 September 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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