METHOD FOR PURIFYING 1,1-BIS(4'-HYDROXY-3'-METHYLPHE NYL)CYCLOHEXANE AND METHODS OF PRODUCING POLYCARBONATES THEREFROM

Details for Australian Patent Application No. 2003270411 (hide)

Owner GENERAL ELECTRIC COMPANY

Inventors KRISHNAMURTI, Ramesh; RADHAKRISHNA, A., S.; SRINIVASAN, Veeraraghavan; SHYADLIGERI, Ashok; DAVIS, Gary, C.; KAPILA, Debjani

Pub. Number AU-A-2003270411

PCT Number PCT/US03/28113

PCT Pub. Number WO2004/041761

Priority 10/065,573 31.10.02 US

Filing date 5 September 2003

Wipo publication date 7 June 2004

International Classifications

C07C 037/84 Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring

C08G 064/06 Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule

C07C 039/17 Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring

Event Publications

15 January 2004 Complete Application Filed

  Priority application(s): 10/065,573 31.10.02 US

1 July 2004 Application Open to Public Inspection

  Published as AU-A-2003270411

14 July 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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