Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1981-06-29
1983-05-17
Spear, Jr., Frank A.
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
2105002, B01D 3100, B01D 1300
Patent
active
043839231
ABSTRACT:
Semipermeable composite membranes consisting of a microporous substrate and a semipermeable layer built of polymer material containing urazole structures.
REFERENCES:
patent: 2944060 (1960-07-01), Close et al.
patent: 4262094 (1981-04-01), Johnson
Bayer Aktiengesellschaft
Spear, Jr. Frank A.
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