Process for making photopolymerizable aromatic polyamic acid der

Details Process for making photopolymerizable aromatic polyamic acid der Process for making photopolymerizable aromatic polyamic acid der

1985-04-26

1985-11-05

Lee, Lester L.

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

Synthetic resins

From carboxylic acid or derivative thereof

20415911, 528 26, 528125, 528126, 528128, 528172, 528179, 528182, 528185, 528188, 528206, 528207, 528208, 528220, 528222, 528224, 528226, 528229, 528352, 528353, C08G 7312

Patent

active

045515220

ABSTRACT:
A process for the synthesis of the photosensitive polyamic acid derivatives which are polyimide precursors, comprising the sequential steps:

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patent: 4438273 (1984-03-01), Landis
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patent: 4485234 (1984-11-01), Makino et al.
patent: 4495342 (1985-01-01), Landis
patent: 4496711 (1985-01-01), Landis

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