Synthetic particulate vectors and preparation process
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United States of America Patent
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Jan 11, 2000
Grant Date -
N/A
app pub date -
May 1, 1996
filing date -
Mar 2, 1993
priority date (Note) -
Expired
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Abstract
A synthetic particulate vector comprising a non-liquid hydrophilic nucleus and an outer layer at least partially consisting of amphiphilic compounds, which is combined with the nucleus by hydrophobic interactions and/or ionic bonds. A process for preparing a particulate vector by encapsulating an ionizable active principle, vectors obtained according to such a process, and pharmaceutical, cosmeticological and food compositions comprising such vectors are also disclosed.
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