Composite hollow fiber-type separation membranes, processes for

Details Composite hollow fiber-type separation membranes, processes for Composite hollow fiber-type separation membranes, processes for

1984-02-28

1987-05-12

Apley, Richard J.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Miscellaneous

623 11, 604 4, 427245, 521 51, 521 63, 2105002, 210653, 210654, A61F 200

Patent

active

046646698

ABSTRACT:
A composite hollow fiber type separation membrane which has three layers comprising a selective separation layer, an ultra-microporous layer and a porous layer, said selective separation layer, said ultra-microporous layer, said porous layer being arranged in said order commencing from the inner surface of said hollow fiber membrane;

REFERENCES:
patent: 4387024 (1983-06-01), Kurihara
Morgan; Condensation Polymers: by Interfacial and Solution Methods, Interscience Pub.; 1965; pp. 305-325 and 370.

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