Block copolymer reduced in impurity content, polymeric carrier, pharmaceutical preparations in polymeric form and process for the preparation of the same

Details for Australian Patent Application No. 2002346296 (hide)

Owner Nippon Kayaku Kabushiki Kaisha Sakurai, Y.

Inventors Akutsu, Tomoko; Uehara, Ryuji; Machida, Megumi; Nakanishi, Takeshi; Shimizu, Kazuhisa; Fukushima, Shigeto; Suzuki, Masanobu

Agent Davies Collison Cave

Pub. Number AU-B-2002346296

PCT Number PCT/JP02/06112

PCT Pub. Number WO2003/000771

Priority 2001-187176 20.06.01 JP; 2001-187175 20.06.01 JP

Filing date 19 June 2002

Wipo publication date 8 January 2003

Acceptance publication date 13 September 2007

International Classifications

A61K 31/704 (2006.01)

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

A61P 35/00 (2006.01) Antineoplastic agents

C08F 6/00 (2006.01) Post-polymerisation treatments

Event Publications

6 March 2003 Complete Application Filed

  Priority application(s): 2001-187176 20.06.01 JP; 2001-187175 20.06.01 JP

19 June 2003 Application Open to Public Inspection

  Published as AU-B-2002346296

2 March 2006 Assignment before Grant

  Nippon Kayaku Kabushiki Kaisha; Sakurai, Yasuhisa; Japan Science and Technology Agency The application has been assigned to Nippon Kayaku Kabushiki Kaisha; Sakurai, Yasuhisa 2003

13 September 2007 Application Accepted

  Published as AU-B-2002346296

17 January 2008 Standard Patent Sealed

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