Thermoplastic polyimide and imide oligomer

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

Reexamination Certificate

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Details

C528S271000, C528S272000, C528S288000

Reexamination Certificate

active

07662903

ABSTRACT:
A thermoplastic polyimide having good processing characteristics, obtainable by polymerizing an acid component and a diamine component, wherein an aromatic tetracarboxylic acid dianhydride represented by formula (I):or its derivative is used at least as a part of the acid component.

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