Active agent delivery device
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United States of America Patent
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Sep 25, 1990
Issued Date -
N/A
app pub date -
Oct 28, 1988
filing date -
Oct 19, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An active agent delivery device comprises (a) microporous material comprising a matrix consisting essentially of linear ultrahigh molecular weight polyolefin, a large proportion of finely divided water-insoluble filler of which at least about 50 percent by weight is siliceous, and interconnecting pores; and (b) a releasable active agent or precursor thereof associated with at least a portion of the filler.
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