Controlled phase composition technology as an improved process for protection of drugs
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United States of America Patent
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Issued Date -
Jan 12, 2006
app pub date -
Jul 8, 2005
filing date -
Jul 9, 2004
priority date (Note) -
Abandoned
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Abstract
The present invention relates to novel processes and compositions for protecting drugs, especially water soluble drugs in aqueous environments. More specifically, this process entails coating drugs with a controlled phase composition wax/lipid middle layer for controlling migration of the drug toward the composition's surface during preparation and a polymeric outer layer.
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