Multiple emulsions comprising a hydrophobic continuous phase
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United States of America Patent
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Nov 9, 1999
Grant Date -
N/A
app pub date -
Aug 7, 1997
filing date -
Aug 7, 1997
priority date (Note) -
Expired
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Abstract
Multiple emulsions comprising a discontinuous emulsified phase incorporating a highly polar liquid, a second component selected from the group consisting of fluorocarbons and hydrocarbons and a continuous hydrophobic phase are disclosed. In preferred embodiments, the hydrophobic phase may comprise a fluorocarbon or hydrocarbon. Additionally, the stable multiple emulsions of the present invention may further incorporate a bioactive agent and are particularly suitable for drug delivery including pulmonary drug delivery.
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