Asymmetric semipermeable membrane for the treatment of biologica

Details Asymmetric semipermeable membrane for the treatment of biologica Asymmetric semipermeable membrane for the treatment of biologica

1990-12-21

1992-09-08

Spear, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210651, 21050023, 21050043, 427246, B01D 7142

Patent

active

051455838

ABSTRACT:
An asymmetric semipermeable membrane and processes for the manufacture thereof are disclosed. The membrane comprises at least one hydrophobic polymer and at least one copolymer based on acrylonitrile, at least one sulphonic monomer which is optionally salified, and optionally at least one non-ionic, ionizable, olefinically unsaturated monomer. The membrane is useful in the treatment of biological fluids such as plasma or blood, especially using plasmapheresis, or with the aid of an artificial kidney using hemodialysis and/or ultrafiltration.

REFERENCES:
patent: 4276172 (1981-06-01), Henne et al.
patent: 4749619 (1988-06-01), Angleraud
patent: 4828705 (1989-05-01), Thakore et al.
Desalination, Elsevier Pub., Amsterdam, 70:277-292 (1988).

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