METHOD FOR THE PRODUCTION OF LOW-BULK DENSITY POLYSTYRENE FOAM PARTICLES

Details for Australian Patent Application No. 2003264117 (hide)

Owner BASF AKTIENGESELLSCHAFT

Inventors EHRMANN, Gerd; HAHN, Klaus; RUCK, Swen; DIETZEN, Franz-Josef

Pub. Number AU-A-2003264117

PCT Number PCT/EP03/09521

PCT Pub. Number WO2004/022636

Priority 102 41 298.7 04.09.02 DE

Filing date 28 August 2003

Wipo publication date 29 March 2004

International Classifications

C08J 009/12 Working-up of macromolecular substances to porous or cellular articles or materials

B29C 044/50 Shaping by internal pressure generated in the material, e.g. swelling, foaming

Event Publications

11 December 2003 Complete Application Filed

  Priority application(s): 102 41 298.7 04.09.02 DE

13 May 2004 Application Open to Public Inspection

  Published as AU-A-2003264117

9 June 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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