Hollow fiber separatory device

Details Hollow fiber separatory device Hollow fiber separatory device

1977-03-31

1979-10-09

Spear, Jr., Frank A.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

55158, 210321B, 422 48, B01D 3100

Patent

active

041705599

ABSTRACT:
A hollow fiber separatory device is provided wherein a polyurethane prepolymer is cross-linked or cured with an ester of a polyhydric alcohol which contains two or three hydroxyl groups, e.g., propylene glycol monoricinoleate, and an aliphatic acid of at least 12 carbon atoms and one or more epoxy and/or hydroxy groups per molecule.

REFERENCES:
patent: 3274134 (1966-09-01), Ramos
patent: 3345311 (1967-10-01), Ehrlich et al.
patent: 3362921 (1968-01-01), Ehrlich et al.
patent: 3483150 (1969-12-01), Ehrlich et al.
patent: 3708071 (1973-01-01), Crowley
patent: 3962094 (1976-06-01), Davis et al.

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