Process of making polyvinylidene fluoride membranes
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United States of America Patent
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Oct 15, 1996
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N/A
app pub date -
Mar 14, 1995
filing date -
Mar 14, 1995
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Expired
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Abstract
Multi-step methods of making a non-skinned isotropic microfiltration membrane, the common steps of which include heating a PVDF-type casting dope above its cloudpoint, forming a film, and immersing the film in a gelation bath.
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