Process and composition containing pamabrom and pyrilamine maleate
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United States of America Patent
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Apr 26, 1994
Grant Date -
N/A
app pub date -
Mar 26, 1992
filing date -
Mar 26, 1992
priority date (Note) -
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Abstract
A product and process for preparing a pharmaceutical composition for forming tablets, the composition containing pamabrom and pyrilamine maleate. In preferred embodiments, the composition also contains acetaminophen. A fluid bed granulator is charged with a first material containing pamabrom or pyrilamine maleate, and a first liquid containing pregelatinized starch is sprayed onto the first material so as to form a barrier coat. The barrier coated material is dried and then further coated with a second liquid containing only one of pamabrom and pyrilamine maleate, whichever was not present in the first material charged to the fluid bed granulator. The further coated material is then dried to a moisture content of from about 0.5% to less than about 2% by weight, so as to form particles in which the pamabrom and pyrilamine maleate are separated by the pregelatinized starch barrier.
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