Delivery system for beneficial agent over a broad range of rates
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 15, 1991
Issued Date -
N/A
app pub date -
Apr 20, 1990
filing date -
Dec 13, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A delivery system is disclosed for delivering a beneficial agent to an animal. The delivery system comprises a wall that surrounds a lumen, said wall comprising a composition that limits the passage of fluid into the system and a composition that permits the passage of fluid into the system. The lumen comprises a beneficial agent and an expandable member. The delivery system comprises an exit means for delivering the beneficial agent.
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Family
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Cited Art Landscape
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