Polymide

Details Polymide Polymide

1992-07-15

1993-03-23

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528125, 528126, 528128, 528170, 528171, 528172, 528173, 528176, 528183, 528185, 528188, 528220, 528229, 528350, 528352, C08G 6926, C08G 7310, C08G 802, C08G 1400

Patent

active

051965062

ABSTRACT:
A polyimide having a high heat-resistance good processability and recurring structural units of the formula (I): ##STR1## wherein R is a tetravalent radical selected from the group consisting of an aliphatic radical having at least two carbon atoms, alicyclic radical, monocyclic aromatic radical, fused polycyclic aromatic radical and polycyclic aromatic radical bonded through a direct bond or a bridge member.

REFERENCES:
patent: 3959350 (1976-05-01), Rogers
patent: 4925915 (1990-05-01), Mueller et al.
patent: 4925916 (1990-05-01), Harris et al.
patent: 4996293 (1991-02-01), Tsuyoshi
patent: 5032667 (1991-07-01), Harris
patent: 5037949 (1991-08-01), Mueller et al.
patent: 5055550 (1991-10-01), Mueller et al.
patent: 5061784 (1991-10-01), Mueller et al.
CA 100:139807v JP 58 180,531 Oct. 22, 1983.

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