Method of preparing dry powder inhalation compositions
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United States of America Patent
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Dec 13, 2011
Grant Date -
Oct 22, 2009
app pub date -
May 6, 2009
filing date -
Aug 21, 2002
priority date (Note) -
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Abstract
The invention provides a method of preparing a dry powder inhalation composition comprising a pharmaceutically acceptable particulate carrier, a first particulate inhalant medicament and a second particulate inhalant medicament. Also provided are dry powder compositions and methods of using them with a dry powder inhalation device.
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