Method for the preparation of 2'-deoxy-2',2'-difluorocytidine

Details for Australian Patent Application No. 2005320374 (hide)

Owner Hanmi Pharm. Co., Ltd.

Inventors Kim, Han Kyong; Lee, Moonsub; Park, Gha Seung; Lee, Hoe Chul; Lee, Jaeheon; Bang, Hyo-Jeong; Kim, Cheol Kyong; Choi, Chang-Ju; Lee, Gwan Sun; Lee, Jae Chul; Chang, Young-Kil

Agent Cullen & Co

Pub. Number AU-B-2005320374

PCT Pub. Number WO2006/071090

Priority 10-2004-0116316 30.12.04 KR; PCT/ KR2005/001954 23.06.05 KR

Filing date 29 December 2005

Wipo publication date 6 July 2006

Acceptance publication date 8 January 2009

International Classifications

C07H 19/04 (2006.01) Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical

Event Publications

5 April 2007 PCT application entered the National Phase

  PCT publication WO2006/071090 Priority application(s): WO2006/071090

8 January 2009 Application Accepted

  Published as AU-B-2005320374

7 May 2009 Standard Patent Sealed

27 January 2011 Assignment Registered

  Hanmi Pharm. Co., Ltd. The patent has been assigned to Hanmi Holdings Co., Ltd.

30 August 2012 Application for Amendment

  The nature of the amendment is: Amend the Patentee to read Hanmi Science Co., Ltd. . Address for service in Australia - Cullens Patent and Trade Mark Attorneys Level 32 239 George Street Brisbane QLD 4000

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