Cellulose derivative reverse osmosis membrane

Details Cellulose derivative reverse osmosis membrane Cellulose derivative reverse osmosis membrane

1980-02-22

1981-12-15

Spear, Jr., Frank A.

Liquid purification or separation

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Material

B01D 3100

Patent

active

043058248

ABSTRACT:
Cellulose derivative reverse osmosis membrane containing tetracarboxylic acid and mono- or divalent carboxylic acid.

REFERENCES:
patent: Re27319 (1972-03-01), Manjikian et al.
patent: 3497072 (1970-02-01), Cannon
patent: 3657401 (1972-04-01), Shayler et al.
patent: 3789993 (1974-02-01), Brown et al.
patent: 3792135 (1974-02-01), Brown et al.
patent: 4239545 (1980-12-01), Uemura et al.

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