Process for preparing particles containing an antiviral
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United States of America Patent
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May 13, 2014
Grant Date -
Mar 11, 2010
app pub date -
Sep 3, 2009
filing date -
Jul 17, 2003
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Abstract
A process for preparing a particle comprising a co-precipitate surrounding a neutral hydrophilic carrier, said process comprising spraying an organic solution on a neutral hydrophilic carrier, said solution comprising at least one triazine or pyrimidine active ingredient having HIV inhibiting properties, one surface active agent, and one hydrophilic polymer, wherein the spraying of whole of the solution occurs in at least two separate steps, each of these steps followed by a grinding step of the product obtained at the end of the preceding step.
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