Dry powder preparations
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
Sep 29, 2005
app pub date -
Mar 22, 2005
filing date -
Mar 29, 2004
priority date (Note) -
Abandoned
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Abstract
A dry powder medicament preparation is disclosed. Also methods of forming and loading metered doses of the preparation into dose containers intended for insertion into a dry powder inhaler are disclosed. The preparation is adapted for a dose forming process, which may be based on volumetric filling or electro-dynamic deposition of the powder particles, such that a metered dose of the preparation is characterized by having at least one load of held-together particles joined in a macrostructure of predefined dimensions and presenting an intended mechanical strength. The pharmacologically active ingredient presents at least 50% by mass of particles in a typical aerodynamic diameter range from 1 to 5 .mu.m. Furthermore, a dose thus formed is then loaded into a high barrier container.
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