METHOD OF PREPARING DRY POWDER INHALATION COMPOSITIONS
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United States of America Patent
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Nov 17, 2011
filing date -
Aug 21, 2002
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Abandoned
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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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