Composite ultrafiltration membrane

Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing

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428 361, 428 362, 428 365, 4283155, 4283157, 4283166, B29D 2200, B32B 326

Patent

active

056982810

ABSTRACT:
A composite ultrafiltration membrane is provided having a microporous polyolefin or sulfone polymer base resistant substrate and an ultrafiltration layer formed from a sulfone polymer.

REFERENCES:
patent: 3651030 (1972-03-01), Desaulnier et al.
patent: 4824568 (1989-04-01), Allegrezza
patent: 4833014 (1989-05-01), Linder et al.

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