Ultra-ramified polycarbonates and copolycoarbonates exhibiting an improved flow characteristics, the production and use thereof

Details for Australian Patent Application No. 2004226291 (hide)

Owner Bayer MaterialScience AG

Inventors Heuer, Helmut-Werner; Erkelenz, Michael; Wehrmann, Rolf

Agent Davies Collison Cave

Pub. Number AU-A-2004226291

PCT Pub. Number WO2004/087785

Priority 103 15 290.3 04.04.03 DE

Filing date 20 March 2004

Wipo publication date 14 October 2004

International Classifications

C08G 064/14 Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule

C08G 064/02 Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule

C08G 064/16 Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule

C07D 311/64 Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings

C07D 311/60 Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings

Event Publications

24 November 2005 PCT application entered the National Phase

  PCT publication WO2004/087785 Priority application(s): WO2004/087785

14 October 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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