Preparation of aminophthalic anhydrides

Details Preparation of aminophthalic anhydrides Preparation of aminophthalic anhydrides

1975-07-25

1976-09-07

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 78A, C07D307893

Patent

active

039794164

ABSTRACT:
Processes are described for the preparation of substantially pure aminophthalic anhydrides and for polymerizing these monomers to unmodified and modified improved polyamic acid and polyimides.

REFERENCES:
Weissberger, et al., "Separation and Purification,"-Part I, pp. 475-478 and pp. 479-480.
Brandt, Journal fur Praktische Chemie, vol. 7, Series 4, (1958), pp. 163-167.
Bogert, et al., J. Am. Chem. Soc., vol. 30, (1908), pp. 1135-1140.

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