Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1976-11-16
1977-09-20
Lee, Lester L.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 47CP, 260 65, C08G 7308, C08G 7310
Patent
active
040496376
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
Korshak et al., Preparation of Polymers from Pyromellitic Dianhydride and Hydrazine, CA 1969, vol. 70, p. 68816w.
Schimmel Karl F.
Wismer Marco
Curley John E.
DeMajistre Robert
Lee Lester L.
PPG Industries Inc.
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