Aramid fiber filtration sheet

Details Aramid fiber filtration sheet Aramid fiber filtration sheet

1994-04-29

1996-06-25

Edwards, N.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

428395, 428338, D02G 300

Patent

active

055298443

ABSTRACT:
The present invention provides a polymeric, particularly aramid, fiber filtration sheet having a relatively small pore size and high pore uniformity. The present inventive aramid fiber filtration sheet preferably has a titer reduction against bacteria such as Pseudomonas diminuta. The present invention also provides a method of preparing reduced-diameter aramid fibers, as well as a method of preparing an aramid fiber filtration sheet from such reduced-diameter aramid fibers. The present invention further provides a method of treating a fluid by passing a fluid through the present inventive aramid fiber filtration sheet, as well as a filter element incorporating the present inventive aramid fiber filtration sheet.

REFERENCES:
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patent: 4523995 (1985-06-01), Pall et al.
patent: 4524103 (1985-06-01), Seager
patent: 4650506 (1987-03-01), Barris et al.
patent: 5246776 (1993-11-01), Meraldi et al.
patent: 5290446 (1994-03-01), Degen et al.

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