Fluid separation membranes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 18, 1987
Grant Date -
N/A
app pub date -
Dec 12, 1985
filing date -
Dec 12, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Fluid separation membranes and modules containing the separation membranes are disclosed wherein the membranes have preselected portions having lower selectivity to the feed fluid mixture; thus permitting the fluid feed mixtures to permeate the membranes in controlled amounts for purposes of sweeping selected permeate fluid away from the non-feed membrane surface.
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