Process for producing aromatic imide polymer hollow filaments

Details Process for producing aromatic imide polymer hollow filaments Process for producing aromatic imide polymer hollow filaments

1988-02-03

1990-07-03

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

With step of cooling to a temperature of zero degrees c. or...

21050039, 264 41, 264184, 2642091, 26421116, D01F 674

Patent

active

049389025

ABSTRACT:
An aromatic imide polymer hollow filament having an excellent gas separating property is produced by a process comprising the steps of:

REFERENCES:
patent: 4378324 (1983-03-01), Makino et al.
patent: 4378400 (1983-03-01), Makino et al.
patent: 4460526 (1984-07-01), Makino et al.

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