Hyaluronic acid/methotrexate compound

Details for Australian Patent Application No. 2005219733 (hide)

Owner Denki Kagaku Kogyo Kabushiki Kaisha Chugai Seiyaku Kabushiki Kaisha

Inventors Ishizawa, Takenori; Sato, Haruhiko; Morikawa, Tadashi; Higuchi, Yoshinobu; Okamachi, Akira; Tamura, Tatsuya; Takahashi, Koichi; Ikeya, Hitoshi

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2005219733

PCT Pub. Number WO2005/085294

Priority 2004-062616 05.03.04 JP; 2004-167755 04.06.04 JP

Filing date 4 March 2005

Wipo publication date 15 September 2005

Acceptance publication date 6 May 2010

International Classifications

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

A61K 31/519 (2006.01) - ortho- or peri-condensed with heterocyclic rings

A61P 19/02 (2006.01) Drugs for skeletal disorders

C07K 9/00 (2006.01) Peptides having up to 20 amino acids, containing saccharide radicals and having a fully defined sequence

C08B 37/08 (2006.01) Preparation of polysaccharides not provided for in

C07D 475/10 (2006.01) Heterocyclic compounds containing pteridine ring systems

C07K 5/00 (2006.01) Peptides having up to four amino acids in a fully defined sequence

Event Publications

12 October 2006 PCT application entered the National Phase

  PCT publication WO2005/085294 Priority application(s): WO2005/085294

6 May 2010 Application Accepted

  Published as AU-B-2005219733

5 August 2010 Application for Amendment

  The nature of the amendment is: Amend the invention title to read Hyaluronic acid-methotrexate conjugate. Address for service in Australia - Phillips Ormonde Fitzpatrick 367 Collins Street Melbourne VIC 3000

26 August 2010 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 15 Jul 2010. Address for service in Australia - Phillips Ormonde Fitzpatrick 367 Collins Street Melbourne VIC 3000

25 November 2010 Amendment Made

  The nature of the amendment is: Amend the invention title to read Hyaluronic acid-methotrexate conjugate

16 December 2010 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 15 Jul 2010

23 December 2010 Standard Patent Sealed

6 January 2011 Assignment Registered

  Denki Kagaku Kogyo Kabushiki Kaisha; Chugai Seiyaku Kabushiki Kaisha The patent has been assigned to Denki Kagaku Kogyo Kabushiki Kaisha

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