Polyethylene glycol/polycation block copolymers

Details for Australian Patent Application No. 2004236542 (hide)

Owner The University of Tokyo

Inventors Itaka, Keiji; Kanayama, Naoki; Fukushima, Shigeto; Harada, Atsushi; Kataoka, Kazunori

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2004236542

PCT Pub. Number WO2004/099287

Priority 2003-130520 08.05.03 JP; 2003-315858 08.09.03 JP

Filing date 7 May 2004

Wipo publication date 18 November 2004

Acceptance publication date 26 February 2009

International Classifications

C12N 15/09 (2006.01) Mutation or genetic engineering - Recombinant DNA-technology

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

A61K 47/48 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - the non-active ingredient being chemically bound to the active ingredient, e.g. polymer drug conjugates

C08G 69/10 (2006.01) Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule

C08G 69/48 (2006.01) Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule

C08G 73/00 (2006.01) Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen or carbon, not provided for in groups

C12N 15/87 (2006.01) Mutation or genetic engineering - Introduction of foreign genetic material using processes not otherwise provided for, e.g. co-transformation

Event Publications

15 December 2005 PCT application entered the National Phase

  PCT publication WO2004/099287 Priority application(s): WO2004/099287

21 December 2006 Assignment before Grant

  Japan Science and technology Agency The application has been assigned to The University of Tokyo

15 January 2009 Amendment Made

  The nature of the amendment is: Amend the invention title to read Polyethylene glycol/polycation block copolymers

26 February 2009 Application Accepted

  Published as AU-B-2004236542

25 June 2009 Standard Patent Sealed

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