Lipsopheres for controlled delivery of substances
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United States of America Patent
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Feb 23, 1993
Issued Date -
N/A
app pub date -
Oct 3, 1991
filing date -
Nov 13, 1989
priority date (Note) -
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Abstract
A microsuspension system and method for its preparation is disclosed. The microsuspension contain lipospheres, which are solid, water-insoluble microparticles that have a layer of a phospholipid embedded on their surface. The core of the liposphere is a solid substance to be delivered, or a substance to be delivered that is dispersed in an inert solid vehicle, such as a wax.
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