Liposome extrusion method
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United States of America Patent
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Apr 12, 1988
Grant Date -
N/A
app pub date -
Feb 13, 1986
filing date -
Feb 13, 1986
priority date (Note) -
Expired
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Abstract
A suspension of liposomes whose sizes are predominantly greater than about 1 micron is passed through an asymmetric ceramic filter whose inner-surface pore size is about 1 micron. The processed liposomes have a selected average size of about 0.4 microns or less, depending on the number of filter cycles, and a narrow distribution.
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