Article of manufacture including a surface modified membrane and

Details Article of manufacture including a surface modified membrane and Article of manufacture including a surface modified membrane and

1997-05-01

1999-11-02

Walker, W. L.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210490, 21032175, 21050021, 21050027, 427244, B01D 6118

Patent

active

059763809

ABSTRACT:
A filtration device is provided which includes a housing containing a porous membrane formed of a porous membrane substrate having its exposed surface completely modified with a perfluorocarbon copolymer composition. The porous membrane has substantially the same permeability as the porous membrane substrate.

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