Rate controlled dispenser for administering beneficial agent
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 4, 1987
Issued Date -
N/A
app pub date -
Aug 8, 1985
filing date -
Mar 19, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dispenser is disclosed for delivering a beneficial agent. The dispenser comprises (1) a housing defining an internal space, (2) a heat-responsive composition containing a beneficial agent in the space, (3) an osmotically effective solute in the space, and (4) at least one passageway in the housing for delivering the beneficial agent from the dispenser.
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