Dosage form providing immediate therapy followed by prolonged therapy
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United States of America Patent
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Apr 20, 1993
Grant Date -
N/A
app pub date -
May 1, 1991
filing date -
May 1, 1991
priority date (Note) -
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Abstract
A dosage form is disclosed comprising a first layer and a second layer. The first layer provides immediate therapy and comprises a drug stereoisomer and the second layer provides prolonged therapy and comprises a drug racemate.
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