Positively charged amphiphilic block copolymer as drug carrier and complex thereof with negatively charged drug

Details for Australian Patent Application No. 2002319922 (hide)

Owner Samyang Corporation

Inventors Choi, In-Ja; Cho, Young-Hoon; Seo, Min-Hyo

Agent Spruson & Ferguson

Pub. Number AU-B-2002319922

PCT Number PCT/KR02/01328

PCT Pub. Number WO2003/008480

Priority 2001/42563 14.07.01 KR

Filing date 13 July 2002

Wipo publication date 3 March 2003

Acceptance publication date 16 December 2004

International Classifications

C08G 063/91 Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule

A61K 047/34 Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds

Event Publications

16 January 2003 Complete Application Filed

  Priority application(s): 2001/42563 14.07.01 KR

22 May 2003 Application Open to Public Inspection

  Published as AU-B-2002319922

16 December 2004 Application Accepted

  Published as AU-B-2002319922

14 April 2005 Standard Patent Sealed

10 May 2012 Assignment Registered

  Samyang Corporation The patent has been assigned to Samyang Biopharmaceuticals Corportation

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2002319923-TUBE-TYPE ELECTRO-LUMINESCENT WIRE

2002319921-THE MANUFACTURING METHOD OF SILICON CARBIDE SINTER WITH TITANIUM IONS THIN FILM