Biodegradable Branched Polylactide Derivatives Capable of Forming Polymeric Micelles, and the Preparation Method and Use

Details for Australian Patent Application No. 2004295264 (hide)

Owner Samyang Corporation

Inventors Kim, Bong-Oh; Choi, In-Ja; Seo, MinHyo; Shim, Myung-Seob

Agent Spruson & Ferguson

Pub. Number AU-B-2004295264

PCT Pub. Number WO2005/054333

Priority 10-2003-0087459 04.12.03 KR

Filing date 3 December 2004

Wipo publication date 16 June 2005

Acceptance publication date 29 October 2009

International Classifications

C08G 63/08 (2006.01) Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule

A61K 9/107 (2006.01) Medicinal preparations characterised by special physical form - Emulsions

A61K 9/51 (2006.01) Medicinal preparations characterised by special physical form - Nanocapsules

C08F 297/00 (2006.01) Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer

C08G 63/78 (2006.01) Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule

C08G 63/91 (2006.01) Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule

C08G 85/00 (2006.01) General processes for preparing compounds provided for in this subclass

C08L 67/04 (2006.01) Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain

Event Publications

3 November 2005 PCT application entered the National Phase

  PCT publication WO2005/054333 Priority application(s): WO2005/054333

24 November 2005 Amendment Made

  The nature of the amendment is: Amend the invention title to read Biodegradable Branched Polylactide Derivatives Capable of Forming Polymeric Micelles, and the Preparation Method and Use

29 October 2009 Application Accepted

  Published as AU-B-2004295264

25 February 2010 Standard Patent Sealed

10 May 2012 Assignment Registered

  Samyang Corporation The patent has been assigned to Samyang Biopharmaceuticals Corportation

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