Method for the production of coextrudates composed of polystyrene and of a crosslinked polyvinylpyrrolidone with reduced residual styrene monomer content

Details for Australian Patent Application No. 2007296308 (hide)

International Classifications

Event Publications

9 April 2009 PCT application entered the National Phase

PCT publication WO2008/031779 Priority application(s): WO2008/031779

4 October 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

This application lapsed under section 142(2)(e). 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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