Controlled delivery device
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United States of America Patent
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Dec 27, 1988
Issued Date -
N/A
app pub date -
Jun 29, 1987
filing date -
Mar 28, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for the controlled release of an active material into an aqueous medium, e.g. body fluids, comprises a water soluble glass container in which the active material is sealed. The container wall has a region of reduced thickness which region dissolves before the remainder of the container wall to release the active material.
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