Anticholinergic powder formulations for inhalation

Details Anticholinergic powder formulations for inhalation Anticholinergic powder formulations for inhalation

2004-06-30

2008-12-09

Richter, Johann (Department: 1616)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Particulate form

C424S451000, C514S291000

Reexamination Certificate

active

07462367

ABSTRACT:
An inhalable powder comprising:(a) an active substance consisting essentially of a compound of formula 1 wherein X−is a pharmaceutically acceptable anion; and(b) a physiologically acceptable excipient having an average particle size of 10 μm to 50 μm,processes for preparing the inhalable powder, and methods of administration for the treatment of respiratory complaints, particularly for the treatment of chronic obstructive pulmonary disease (COPD) and asthma.

REFERENCES:
patent: 6706726 (2004-03-01), Meissner et al.
patent: 2004/0152720 (2004-08-01), Hartig et al.
patent: WO 02/30390 (2002-04-01), None
patent: WO 02/32899 (2002-04-01), None

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