METHOD FOR CRYSTALLIZATION OF 7-AMINOCEPHALOSPORANIC ACID

Details for Australian Patent Application No. 2002349495 (hide)

Owner CKD BIO CORP.

Inventors CHOI, Sang Yong; YUN, Jong Chan; YUN, In Kyun; KIM, Jung Woo; SHIN, Sang Kyu

Pub. Number AU-A-2002349495

PCT Number PCT/KR02/01851

PCT Pub. Number WO2003/031451

Priority 2001/61681 06.10.01 KR

Filing date 4 October 2002

Wipo publication date 22 April 2003

International Classifications

C07D 501/26 Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula: , e.g. cephalosporins

Event Publications

13 March 2003 Complete Application Filed

  Priority application(s): 2001/61681 06.10.01 KR

3 July 2003 Application Open to Public Inspection

  Published as AU-A-2002349495

24 June 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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