Owner Endo Pharmaceuticals, Inc

Inventors Caruso, Frank S.; Kao, Huai-Hung

Agent Halford & Co

Pub. Number AU-B-2002305559

PCT Number PCT/US02/15022

PCT Pub. Number WO2002/092060

Priority 60/290,439 11.05.01 US

Filing date 10 May 2002

Wipo publication date 25 November 2002

Acceptance publication date 3 April 2008

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

A61K 9/20 (2006.01) Medicinal preparations characterised by special physical form - Pills, lozenges or tablets

A61K 31/135 (2006.01) - having aromatic rings, e.g. methadone

A61K 31/473 (2006.01) - ortho- or peri-condensed with carbocyclic ring systems, e.g. acridines, phenanthridines

A61K 31/485 (2006.01) - Morphinan derivatives, e.g. morphine, codeine

A61K 45/00 (2006.01) Medicinal preparations containing active ingredients not provided for in groups

A61K 47/04 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives

A61K 47/12 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - Carboxylic acids

A61K 47/20 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - containing sulfur

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

A61K 47/38 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - Cellulose

A61P 25/04 (2006.01) Drugs for disorders of the nervous system