Manufacture of polytrimethylene ether glycol

Details for Australian Patent Application No. 2007207523 (hide)

Owner E. I. Du Pont De Nemours and Company

Inventors Sunkara, Hari Babu; Ng, Howard C.; Zheng, Wei; Wu, Zhihong

Agent Houlihan2

Pub. Number AU-A-2007207523

PCT Pub. Number WO2007/084637

Priority 11/336,004 20.01.06 US; 11/599,861 15.11.06 US

Filing date 19 January 2007

Wipo publication date 26 July 2007

International Classifications

C08G 65/30 (2006.01) Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule

Event Publications

10 July 2008 PCT application entered the National Phase

  PCT publication WO2007/084637 Priority application(s): WO2007/084637

6 January 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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