Cellulosic ultrafiltration membrane

Details Cellulosic ultrafiltration membrane Cellulosic ultrafiltration membrane

1994-07-20

1996-06-04

Spear, Frank

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

21050029, 2105003, B01D 7116

Patent

active

055229913

ABSTRACT:
A cellulosic ultrafiltration membrane is provided having a microporous base resistant substrate and an ultrafiltration layer form of a cellulose ester or cellulose.

REFERENCES:
patent: 3762566 (1973-10-01), Del Pico
patent: 3775308 (1973-11-01), Yasuda
patent: 3894166 (1975-07-01), Brown et al.
patent: 4604204 (1986-08-01), Linder et al.
patent: 4618553 (1986-10-01), Yayama et al.
patent: 4826599 (1989-02-01), Rikson et al.
patent: 4944879 (1990-07-01), Steuck
patent: 4990255 (1991-02-01), Blume et al.
patent: 5053132 (1991-10-01), Sirkar
patent: 5063009 (1991-11-01), Mizutani et al.

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