Process for producing supported celluosic membranes and products
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United States of America Patent
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Jan 16, 1990
Grant Date -
N/A
app pub date -
Oct 5, 1987
filing date -
Oct 5, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A continuous process for producing a microporous cellulosic membranes supported with an integral non-woven polymer web by preparing a casting lacquer comprising at least one cellulosic polymer, at least one solvent and at least one non-solvent wherein the casting lacquer is at the point of incipient gelation.
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