Process for cleaning hollow fibers

Details Process for cleaning hollow fibers Process for cleaning hollow fibers

1994-03-25

1995-11-28

Spear, Frank

Liquid purification or separation

Filter

Material

210411, 2103218, B01D 6908

Patent

active

054704740

ABSTRACT:
The invention relates to a process for removing a lumen filler and/or undesired auxiliary processing agents from hollow fibers or hollow fiber membranes by extraction with supercritical gases. The invention likewise relates to the hollow fibers or hollow fiber membranes freed of a lumen filler and/or undesired auxiliary processing agents by this process.

REFERENCES:
patent: 4389363 (1983-06-01), Molthop
patent: 4540490 (1985-09-01), Shibata et al.
patent: 4708799 (1987-11-01), Gerlach et al.
patent: 4935143 (1990-06-01), Kopp et al.
patent: 4992221 (1991-02-01), Malon et al.

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