Novel approach to reduce cyclics formation in the production of polyetherimides

Details for Australian Patent Application No. 2004270624 (hide)

Owner General Electric Company

Inventors Johnson, Donald Scott; Khouri, Farid Fouad; Brunelle, Daniel Joseph

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2004270624

PCT Pub. Number WO2005/023903

Priority 10/647,679 25.08.03 US

Filing date 1 July 2004

Wipo publication date 17 March 2005

International Classifications

C08G 73/10 (2006.01) Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen or carbon, not provided for in groups

C07D 209/48 (2006.01) Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom

C08G 65/40 (2006.01) Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule

Event Publications

30 March 2006 PCT application entered the National Phase

  PCT publication WO2005/023903 Priority application(s): WO2005/023903

5 June 2008 Assignment before Grant

  General Electric Company The application has been assigned to SABIC Innovative Plastics IP B.V.

28 January 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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