Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1991-04-04
1993-01-05
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, 528176, 528183, 528184, 528185, 528220, 528229, 528350, 528351, C08G 6926
Patent
active
051771799
ABSTRACT:
Perfluoroalkylated diaminoesitylene and polymers, preferably polyimides, made therefrom. The necessarily obtainable meta-substitution position of the perfluoroalkyl group with respect to both amino-groups provides an improved diamine and compositions of matter resulting therefrom.
REFERENCES:
patent: 4876330 (1989-10-01), Higashi et al.
patent: 4880895 (1989-11-01), Higashi et al.
Auman Brian C.
Higley David P.
Johnson Bruce B.
E. I. Du Pont de Nemours and Company
Hampton-Hightower P.
Kight III John
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