High strength asymmetric cellulosic membrane
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United States of America Patent
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Issued Date -
Feb 27, 2003
app pub date -
Aug 14, 2001
filing date -
Aug 14, 2001
priority date (Note) -
Abandoned
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Abstract
The present invention relates to ultra-thin high strength asymmetric microfiltration and ultrafiltration cellulosic membranes. The membranes are internally hydrophilic. A method of preparing such membranes and their use in separating proteins from biological liquids are also provided.
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