Composite ultrafiltration membranes

Details Composite ultrafiltration membranes Composite ultrafiltration membranes

1986-05-16

1989-04-25

Spear, Frank

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

21050041, 21050042, 427246, B01D 1300

Patent

active

048245682

ABSTRACT:
Composite ultrafiltration membranes are disclosed which are produced by forming an ultrafiltration membrane structure on a preformed microporous membrane.

REFERENCES:
patent: 3762566 (1973-10-01), Del Pico
patent: 4071590 (1978-01-01), Strathmann
patent: 4388189 (1983-06-01), Kawaguchi et al.
patent: 4473474 (1984-09-01), Ostreicher et al.
patent: 4543221 (1985-09-01), Chen et al.

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