DELIVERY OF DRUG AMINES THROUGH AN INHALATION ROUTE
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United States of America Patent
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Issued Date -
Oct 6, 2011
app pub date -
Apr 1, 2011
filing date -
May 13, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to the delivery of drug amines through an inhalation route. Specifically, it relates to aerosols containing drug amines that are used in inhalation therapy. In one aspect of the present invention, a method of delivering an amine drug in an aerosol form is provided. The method comprises: a) heating a coating, which includes an amine drug salt on a substrate contained in a device to a temperature sufficient to volatilize the amine drug from the coating, h) by said heating, forming an amine drug vapor, and c) during said heating, drawing air through said device, condensing said vapor to form aerosol particles containing less than 10% degradation products of the compound.
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