PROCESS FOR THE PREPARATION OF TRIMETHYLENE TEREPHTHALATE OLIGOMERS

Details for Australian Patent Application No. 2003279961 (hide)

Owner E.I. DU PONT DE NEMOURS AND COMPANY

Inventors ENG, John, Harvey

Pub. Number AU-A-2003279961

PCT Number PCT/US03/32440

PCT Pub. Number WO2004/033410

Priority 10/269,734 11.10.02 US

Filing date 10 October 2003

Wipo publication date 4 May 2004

International Classifications

C07C 067/08 Preparation of carboxylic acid esters

C07C 069/82 Esters of carboxylic acids

C08G 063/183 Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule

Event Publications

26 February 2004 Complete Application Filed

  Priority application(s): 10/269,734 11.10.02 US

3 June 2004 Application Open to Public Inspection

  Published as AU-A-2003279961

21 July 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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