Owner Endo Pharmaceuticals, Inc.

Inventors Howard-Sparks, Michelle; Kao, HuaiHung; Jim, Fai; Zeng, Yadi

Agent Halford & Co

Pub. Number AU-B-2002303718

PCT Number PCT/US02/15021

PCT Pub. Number WO2002/092059

Priority 60/290,438 11.05.01 US

Filing date 10 May 2002

Wipo publication date 25 November 2002

Acceptance publication date 28 February 2008

A61K 9/26 (2006.01) Medicinal preparations characterised by special physical form - Discrete particles in supporting matrix

A61K 9/24 (2006.01) Medicinal preparations characterised by special physical form - Layered or laminated unitary dosage forms

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

A61K 45/06 (2006.01) Medicinal preparations containing active ingredients not provided for in groups

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 25/36 (2006.01) Drugs for disorders of the nervous system

A61K 9/16 (2006.01) Medicinal preparations characterised by special physical form - Agglomerates

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