Method for the treatment of polyazole films

Details Method for the treatment of polyazole films Method for the treatment of polyazole films

2007-07-17

2007-07-17

Boykin, Terressa (Department: 1711)

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

Synthetic resins

Treating polymer containing material or treating a solid...

C210S500210, C210S640000, C528S378000, C528S400000

Reexamination Certificate

active

10522503

ABSTRACT:
The present invention relates to a process for the treatment of polyazole films, in which a film is passed at least twice through a trough filled with a liquid, with the film being unrolled from a spool and rolled up on a further spool and the direction of travel of the film is changed during the treatment by altering the direction of rotation of the spools.

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