Hollow fiber membranes

B - Operations – Transporting – 01 – D

Patent

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B01D 69/08 (2006.01) B01D 53/22 (2006.01)

Patent

CA 2075098

- 43 - HOLLOW FIBER MEMBRANES Abstract of the Disclosure A process for producing highly asymmetric hollow fibers useful as permselective gas separation membranes and for producing composite membranes thereof by extruding the spinning dope through a tube-in-orifice spinneret into a gas-filled chamber maintained at reduced pressure and then conveying the extruded hollow fiber through a liquid bath to solidify the extrudate. D-16484

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