Improved Medicinal Aerosol Formulations
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United States of America Patent
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Issued Date -
Nov 8, 2012
app pub date -
Oct 15, 2010
filing date -
Oct 16, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a medicinal aerosol suspension formulation for MDI administration, comprising: a) micronised pa-agonist; b) micronised corticosteroid; c) a siib-therapexrtic quantity of a moisture-scavenger excipient; and d) a HFA propellant; wherein (a), (b) and (c) and their respective relative amounts are selected such that they associate to form floccules having a density substantially the same as that of the HFA propellant.
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