Multilamellar drug delivery systems
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United States of America Patent
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Sep 5, 1995
Grant Date -
N/A
app pub date -
Apr 7, 1994
filing date -
Apr 7, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pharmaceutical preparation including a pharmaceutical agent incorporated into particles comprising (i) a core formed from a hydrophilic material, a hydrophobic material or a hydrophobic emulsion or dispersion and (ii) an alternating sequence of hydrophilic/hydrophobic layers thereon such that there is a hydrophilic/hydrophobic interface between the core and each succeeding layer.
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