Owner Celltech Manufacturing CA, Inc

Inventors Venkatesh, Gopi M.; Hensley, Dan L.; Vishnupad, Krishna S.; Percel, Phillip J.; Bettman, Marie J.

Agent Davies Collison Cave

Pub. Number AU-B-2001297011

PCT Pub. Number WO02/34234

Priority 09/697,803 27.10.00 US

Filing date 9 October 2001

Wipo publication date 6 May 2002

Acceptance publication date 15 March 2007

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

A61K 9/50 (2006.01) Medicinal preparations characterised by special physical form - Microcapsules

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

A61K 9/56 (2006.01) Medicinal preparations characterised by special physical form

A61K 9/58 (2006.01) Medicinal preparations characterised by special physical form

A61K 9/62 (2006.01) Medicinal preparations characterised by special physical form

A61K 31/4458 (2006.01) - only substituted in position 2, e.g. methylphenidate

A61K 47/14 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - Esters of carboxylic acids

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

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

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 47/36 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - Polysaccharides

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