Hollow fiber membranes and method of manufacture

Details Hollow fiber membranes and method of manufacture Hollow fiber membranes and method of manufacture

1995-05-18

1997-11-04

Fortuna, Ana

Liquid purification or separation

Filter

Material

21050039, 210490, 264 41, 264 49, B01D 3900

Patent

active

056835841

ABSTRACT:
An asymmetric, microporous hollow fiber membrane comprising a polyimide is disclosed. The hollow fiber membrane is chemically inert to aqueous solutions and/or blood, is immediately rewettable after repeated steam and chemical sterilizations, has superior clearance, sieving, and water permeability characteristics and is usable over a wide range of applications such as dialysis and water filtration. Also disclosed is the process for manufacturing the polyimide hollow fiber membrane.

REFERENCES:
patent: 4113628 (1978-09-01), Alegranti
patent: 4378324 (1983-03-01), Makino et al.
patent: 4882223 (1989-11-01), Aptel et al.

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