Pharmaceutical formulations
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United States of America Patent
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Apr 25, 1995
Grant Date -
N/A
app pub date -
Dec 11, 1991
filing date -
Apr 17, 1990
priority date (Note) -
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Abstract
The taste of orally administered drugs is masked by coating the drug with a polymeric membrane which is soluble only at a pH of 5 or more. An acid substance is included in the formulation containing the coated drug to reduce or prevent the dissolution of the membrane in the oral cavity.
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