Synthesis method for polydimethylketene by friedel-craft cationic polymerization of dimethylketene

Details for Australian Patent Application No. 2003292314 (hide)

International Classifications

Event Publications

8 April 2004 Complete Application Filed

Priority application(s): 02/13828 05.11.02 FR

8 July 2004 Application Open to Public Inspection

Published as AU-B-2003292314

15 November 2007 Application Accepted

Published as AU-B-2003292314

20 March 2008 Standard Patent Sealed

17 April 2008 Alteration of Name

The name of the patentee has been altered to Arkema France

28 May 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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