Composite membranes, their manufacture and their use

Details Composite membranes, their manufacture and their use Composite membranes, their manufacture and their use

1987-11-02

1989-04-18

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55 68, 55158, 4274301, 428394, B01D 5322

Patent

active

048223824

ABSTRACT:
The present invention is directed to composite membranes having a separation layer comprised of at least one poly(tetramethyl) bisphenol A phthalate resulting in enhanced separation and permeating characteristics. Processes for making these composite membranes and the methods of using them for gas separations are also disclosed.

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Cabasso et al., "Research & Development of NS-1 & Related Polysulfone Hollow Fibers for Reverse Osmosis Desalination of Seawater", Office of Water Research & Technology, 7/75.

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