Hydrophilic microporous membrane

Details Hydrophilic microporous membrane Hydrophilic microporous membrane

1989-10-06

1991-05-28

Spear, Frank

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

21050027, 21050035, 131332, B01Z 6700

Patent

active

050192620

ABSTRACT:
A membrane that is prepared in an oil in water system and comprises a hydrophilic polymer film having controlled porosity. Such membranes are particularly well suited as filters for cigarettes and like products.

REFERENCES:
patent: 3674722 (1972-07-01), Rainer et al.
patent: 4627850 (1986-12-01), Deters et al.

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