Process for stable production of aromatic polycarbonates

Details for Australian Patent Application No. 2005252557 (hide)

Owner Asahi Kasei Chemicals Corporation

Inventors Hachiya, Hiroshi; Kakihara, Ichiro

Agent Watermark

Pub. Number AU-B-2005252557

PCT Pub. Number WO2005/121212

Priority 2004-176206 14.06.04 JP

Filing date 14 June 2005

Wipo publication date 22 December 2005

Acceptance publication date 6 March 2008

International Classifications

C08G 64/30 (2006.01) Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule

C08G 64/20 (2006.01) Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule

Event Publications

5 October 2006 PCT application entered the National Phase

  PCT publication WO2005/121212 Priority application(s): WO2005/121212

6 March 2008 Application Accepted

  Published as AU-B-2005252557

3 July 2008 Standard Patent Sealed

20 January 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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