High efficiency method of preparing polyalkylene oxide carboxylic acids

Details for Australian Patent Application No. 2006335041 (hide)

Owner Enzon Pharmaceuticals, Inc.

Inventors Zhao, Hong; Martinez, Anthony J.

Agent Griffith Hack

Pub. Number AU-A-2006335041

PCT Pub. Number WO2007/081596

Priority 11/328,662 10.01.06 US

Filing date 28 December 2006

Wipo publication date 19 July 2007

International Classifications

C08F 255/06 (2006.01) Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group

C08F 279/00 (2006.01) Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group

Event Publications

10 July 2008 PCT application entered the National Phase

  PCT publication WO2007/081596 Priority application(s): WO2007/081596

6 January 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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