Process for producing polytrimethylene terephthalate

Details for Australian Patent Application No. 2005294576 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Kelsey, Donald Ross; Johnson, Emery Don; Tse, Cecilia Zuqi

Agent Davies Collison Cave

Pub. Number AU-B-2005294576

PCT Pub. Number WO2006/041774

Priority 60/615,852 04.10.04 US

Filing date 3 October 2005

Wipo publication date 20 April 2006

Acceptance publication date 14 August 2008

International Classifications

C08G 63/183 (2006.01) Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule

Event Publications

19 April 2007 PCT application entered the National Phase

  PCT publication WO2006/041774 Priority application(s): WO2006/041774

14 August 2008 Application Accepted

  Published as AU-B-2005294576

11 December 2008 Standard Patent Sealed

28 April 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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