Bleach resistant polysulfone/polyurethane composite membranes

Details Bleach resistant polysulfone/polyurethane composite membranes Bleach resistant polysulfone/polyurethane composite membranes

1993-09-13

1995-07-11

Spear, Frank

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

21050041, B01D 7168

Patent

active

054318173

ABSTRACT:
The resistance to an oxidizer of a biocompatible polysulfone membrane can be enhanced by the incorporation of a specific hydrophilic polyurethane polymer.

REFERENCES:
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patent: 4787976 (1988-12-01), Parham et al.
patent: 4968430 (1990-11-01), Hildenbrand et al.
patent: 4990252 (1991-02-01), Tomaschke et al.
patent: 5075011 (1991-12-01), Waite
patent: 5096585 (1992-03-01), Nguyen
patent: 5173300 (1992-12-01), Burleigh et al.

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