Agglomeration of finely divided powders
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United States of America Patent
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Apr 16, 2002
Grant Date -
N/A
app pub date -
Oct 3, 1994
filing date -
Oct 1, 1993
priority date (Note) -
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Abstract
A method of treating a finely divided powder is provided including a) forcing the powder through the apertures of a sieve to form agglomerates; and b) spheronizing the agglomerates. The method results in spheronized agglomerates having sufficient strength to withstand processing and packaging operations, but which are sufficiently soft to deagglomerate during delivery via a breath-actuated inhaler.
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