METHOD FOR PREPARING HYDRAZODICARBONAMIDE USING BIURET AS STARTING MATERIAL

Details for Australian Patent Application No. 2002368029 (hide)

Owner J AND J CHEMICAL CO., LTD.

Inventors LEE, Chun-Hyuk; HAN, Sang-Jin

Pub. Number AU-A-2002368029

PCT Number PCT/KR02/01862

PCT Pub. Number WO2003/106400

Priority 2002/0033814 17.06.02 KR

Filing date 7 October 2002

Wipo publication date 31 December 2003

International Classifications

C07C 231/12 Preparation of carboxylic acid amides

Event Publications

19 February 2004 Complete Application Filed

  Priority application(s): 2002/0033814 17.06.02 KR

26 February 2004 Application Open to Public Inspection

  Published as AU-A-2002368029

14 July 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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