Method of preparing dry powder inhalation compositions

Details for Australian Patent Application No. 2003258334 (hide)

Owner Norton Healthcare Ltd.

Inventors Zeng, Xian-Ming

Agent Griffith Hack

Pub. Number AU-B-2003258334

PCT Number PCT/US03/26542

PCT Pub. Number WO2004/017918

Priority 0219511.3 21.08.02 GB

Filing date 21 August 2003

Wipo publication date 11 March 2004

Acceptance publication date 5 March 2009

International Classifications

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

A61J 3/02 (2006.01) Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms

A61K 9/00 (2006.01) Medicinal preparations characterised by special physical form

A61K 9/72 (2006.01) Medicinal preparations characterised by special physical form - for smoking or inhaling

A61K 31/167 (2006.01) - having the nitrogen atom of a carboxamide group directly attached to the aromatic ring, e.g. lidocaine, paracetamol

A61K 31/58 (2006.01) - containing heterocyclic rings, e.g. aldosterone, danazol, stanozolol, pancuronium, digitogenin

A61L 9/04 (2006.01) Disinfection, sterilisation or deodorisation of air - using substances evaporated in the air without heating

Event Publications

13 November 2003 Complete Application Filed

  Priority application(s): 0219511.3 21.08.02 GB

22 April 2004 Application Open to Public Inspection

  Published as AU-B-2003258334

5 March 2009 Application Accepted

  Published as AU-B-2003258334

2 July 2009 Standard Patent Sealed

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