Ultrafiltration membranes and methods of making
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United States of America Patent
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Mar 6, 2018
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N/A
app pub date -
Mar 23, 2015
filing date -
Jun 30, 2006
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Abstract
The present invention is an integral multilayered composite membrane having at least one ultrafiltration layer made by cocasting or sequentially casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a multilayered composite membrane having at least one ultrafiltration layer.
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