Dry Powder Inhaler Formulations Comprising Surface-Modified Particles With Anti-Adherent Additives
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United States of America Patent
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Issued Date -
Jun 5, 2008
app pub date -
Nov 23, 2005
filing date -
Nov 23, 2004
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Abandoned
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Abstract
The present invention is concerned with a refinement of the processing of particles that are to form a dry powder formulation which is to be administered to the lung using a dry powder inhaler (DPI) device. In particular, the present invention provides the processing of particles of active material and particles of carrier material in the presence of additive material to provide a powder composition which exhibits excellent powder properties and which is economical to produce.
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