USE OF ZWITTERIONIC COMPOUNDS AS MOLD-RELEASE AGENTS IN THERMOPLASTIC MATERIALS

Details for Australian Patent Application No. 2002240941 (hide)

Owner BAYER AKTIENGESELLSCHAFT

Inventors DOBLER, Martin; KOHLER, Walter; NEUMANN, Siegfried; EBERT, Wolfgang

Pub. Number AU-A-2002240941

PCT Pub. Number WO2002/074848

Priority 101 13 168.2 19.03.01 DE

Filing date 6 March 2002

Wipo publication date 3 October 2002

International Classifications

C08K 005/42 Use of organic ingredients

C08L 069/00 Compositions of polycarbonates

B29C 033/60 Moulds or cores

Event Publications

27 March 2003 Application Open to Public Inspection

  Published as AU-A-2002240941

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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