Owner Eisai R & D Management Co., Ltd.

Inventors Fujioka, Satoshi; Suzuki, Yasuyuki; Ueki, Yosuke

Agent Allens Arthur Robinson

Pub. Number AU-B-2005320547

PCT Pub. Number WO2006/070930

Priority 2005-041492 18.02.05 JP; 2004-376770 27.12.04 JP

Filing date 27 December 2005

Wipo publication date 6 July 2006

Acceptance publication date 5 February 2009

A61K 47/30 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - Macromolecular compounds

A61K 9/14 (2006.01) Medicinal preparations characterised by special physical form - Particulate form, e.g. powders

A61K 9/22 (2006.01) Medicinal preparations characterised by special physical form - Sustained or differential release type

A61K 9/54 (2006.01) Medicinal preparations characterised by special physical form

A61K 31/445 (2006.01) - Non-condensed piperidines, e.g. piperocaine

A61K 47/10 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - Alcohols

A61K 47/26 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - Carbohydrates

A61K 47/32 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds