Asymmetric semipermeable membranes of aromatic polycondensates,

Details Asymmetric semipermeable membranes of aromatic polycondensates, Asymmetric semipermeable membranes of aromatic polycondensates,

1992-10-21

1993-08-24

Sever, Frank

Liquid purification or separation

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Material

210654, 21050028, 21050041, B01D 6114, B01D 6124, B01D 7138, B01D 7168

Patent

active

052385701

ABSTRACT:
Asymmetric semipermeable membranes which consist of aromatic polycondensates having recurring units of the formula

REFERENCES:
patent: 4992221 (1991-02-01), Malon et al.

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