Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 18, 2008
Patent Application Number
10223707
Date Filed
August 19, 2002
Patent Primary Examiner
Patent abstract
The invention relates to a powder formulation for administration by inhalation comprising an active substance and a pharmaceutically acceptable excipient, which composition has the form of a physical mixture and comprises from 5 to 25 wt. % of the excipient, and wherein the active substance has a particle size distribution of from 0.5 to 10 μm, and wherein the excipient has a particle size distribution of from 15 to 500 μm.
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