Process for removing cations from polyareneazole fiber

Details Process for removing cations from polyareneazole fiber Process for removing cations from polyareneazole fiber

2011-03-15

2011-03-15

Boykin, Terressa M (Department: 1765)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Treating polymer containing material or treating a solid...

C428S364000, C528S486000

Reexamination Certificate

active

07906613

ABSTRACT:
The present invention relates to processes for hydrolyzing polyphosphoric acid in a fiber and the removal of hydrolyzed polyphosphoric acid from the fiber.

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