Assisted particle size reduction process
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United States of America Patent
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Jun 25, 2019
Grant Date -
Dec 1, 2016
app pub date -
Jan 27, 2015
filing date -
Jan 28, 2014
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Abstract
A new scalable process to control the particle size and the particle size distribution, comprising 5 steps: (i) suspension preparation in a mixture of solvents in which the API and/or excipient is partially soluble in one of the solvents; (ii) particle size reduction of the suspension; (iii) aging; (iv) stopping the aging by solvent removal; and (v) optionally, a step of isolating the processed ingredients in the form of powder.
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