Multi-layered microfiltration medium
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United States of America Patent
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Mar 17, 1987
Grant Date -
N/A
app pub date -
Feb 25, 1986
filing date -
Feb 25, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A multilayered microfiltration medium exhibiting high particle capture efficiency and minimal flow restriction having a base substrate layer, a fine fiber filtration or efficiency layer deposited on and adhered to the substrate layer and a nonhandleable, non-self-supporting protective cover layer which is self-adhering to the fine fiber layer and has a very smooth outer surface. Suitable cover layer materials include polystyrene and polycarbonate fibers.
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