Controlled release system that needs no drilling
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United States of America Patent
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Issued Date -
Jul 4, 2002
app pub date -
Jan 2, 2001
filing date -
Jan 2, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed is a novel controlled release delivery system, which is a semi-permeable membrane-controlled solid dosage form. Unlike several known systems, where one or more holes are drilled on the semi-permeable membrane, the system disclosed in the present invention does not need any drilling on the semi-permeable membrane.
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