POLYCARBONATES FOR OPTICAL USE, AND THEIR APPLICATIONS

Details for Australian Patent Application No. 2002256337 (hide)

Owner GENERAL ELECTRIC COMPANY

Inventors INOUE, Kazushige; SHIMODA, Tomoaki

Pub. Number AU-A-2002256337

PCT Pub. Number WO2002/097806

Priority 2001-159442 28.05.01 JP

Filing date 22 April 2002

Wipo publication date 9 December 2002

International Classifications

G11B 007/24 Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power - Record carriers characterised by the selection of the material or by the structure or form

C08G 064/30 Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule

Event Publications

8 May 2003 Application Open to Public Inspection

  Published as AU-A-2002256337

11 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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