Liquid purification or separation – Filter – Supported – shaped or superimposed formed mediums
Patent
1987-01-29
1988-09-13
Spear, Frank
Liquid purification or separation
Filter
Supported, shaped or superimposed formed mediums
21050038, 427246, B01D 1300
Patent
active
047707771
ABSTRACT:
Integral gradient, skinned, submicroscopically porous, anisotropic, hydrophilic, asymmetric polyamide membranes comprising:
REFERENCES:
patent: 4623463 (1986-11-01), Ford et al.
patent: 4707265 (1987-11-01), Barnes, Jr. et al.
Laccetti Anthony J.
Steadly Harvey
Parker Hannifin Corporation
Spear Frank
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