Integral microporous high void volume polycarbonate membranes an

Details Integral microporous high void volume polycarbonate membranes an Integral microporous high void volume polycarbonate membranes an

1972-10-02

1976-03-23

Spear, Jr., Frank A.

Liquid purification or separation

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Material

264 41, B01D 3100

Patent

active

039459268

ABSTRACT:
Integral, skinned and unskinned, microporous microfiltration and ultrafiltration, electrophoresis membranes having high void volumes (above 50% void) composed of polycarbonates and copolymers of polycarbonates with polyalkylene oxides and the dry process for producing such membranes are disclosed.

REFERENCES:
patent: 3615024 (1971-10-01), Michaels
patent: 3653180 (1972-04-01), Juliano et al.
patent: 3762136 (1973-10-01), Kimura
patent: 3812224 (1974-05-01), Smith et al.

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