Therapeutic agent delivery system
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United States of America Patent
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Jan 16, 1990
Grant Date -
N/A
app pub date -
Jul 28, 1987
filing date -
Jul 28, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A therapeutic agent delivery system that includes a biodegradable polymer and a therapeutic agent, the delivery system being coated with a barrier substance that decreases the quantity of the agent released from the system, compared to the quantity of the agent released from a system not coated with the substance, in the forty-eight hours subsequent to the parenteral injection or implantation of the system into a living person or animal.
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