Liposome gel composition and method
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United States of America Patent
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Nov 12, 1991
Issued Date -
N/A
app pub date -
May 23, 1989
filing date -
Feb 24, 1989
priority date (Note) -
Expired
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Abstract
A liposome gel composition and method of preparing the same. The composition is composed of charged liposomes, at a relatively low lipid concentration, in a low-conductivity medium. The composition preferably contains a zwitterionic compound at its isoelectric point. The liposomes can be designed for cosmetic use, transdermal drug delivery, or enhanced retention on mucosal tissues, such as for ophthalmic use.
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