Novel polymers from reaction of tricarboxylic anhydrides and hyd

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428457, 428532, B32B 904

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040469492

ABSTRACT:
Novel polymers formed from the reaction of tricarboxylic anhydrides and hydrazines or hydrazides which may be cross-linkable by further reaction with a hydrazine or hydrazide are disclosed.

REFERENCES:
patent: 3360502 (1967-12-01), Loncrini
Chemical Abstracts, vol. 70, 1969, Korshak et al., p. 68816, "Preparation of Polymers from Pyromellitic Dianhydride and Hydrazine".

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