Compositions for multiphase, staggered, or sustained release of an active substance
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United States of America Patent
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Feb 14, 2017
Grant Date -
Apr 21, 2016
app pub date -
Jun 10, 2015
filing date -
Oct 15, 2014
priority date (Note) -
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Abstract
A composition having a mixture of discreet particles, each particle comprising an active substance and a coating material, the active substance being at least partially coated with the coating material. The mixture of discreet particles includes a first batch of first particles, the first particles of the first batch having a first average weight % ratio of the active substance to the coating material; and a second batch of second particles, the second particles of the second batch having a second average weight % ratio of the active substance to the coating material, the second average weight ratio being different from the first average weight ratio.
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