Owner Nippon Kayaku Kabushiki Kaisha

Inventors Ishikawa, Keizou; Kitagawa, Masayuki; Shibata, Masao; Yamamoto, Keiichirou; Takashio, Kazutoshi

Agent Davies Collison Cave

Pub. Number AU-A-2007252678

PCT Pub. Number WO2007/135910

Priority 2006-138509 18.05.06 JP

Filing date 16 May 2007

Wipo publication date 29 November 2007

C08G 81/00 (2006.01) Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers

A61K 31/365 (2006.01) - Lactones

A61K 31/7048 (2006.01)

A61K 47/34 (2006.01) 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

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

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