Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1990-02-08
1991-05-21
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528183, 528327, 528331, 528341, C08G 7318
Patent
active
050176811
ABSTRACT:
The instant invention involves a process for producing continuous polybenzimidazole films. The process is comprised of the following steps:
REFERENCES:
patent: 4927909 (1990-05-01), Wadhwa et al.
Bitritto Michel
Powers Edward J.
Wadhwa Lachman
Anderson Harold D.
Hoechst Celanese Corp.
Mazzarese Joseph M.
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