Stock material or miscellaneous articles – Composite
Patent
1976-11-16
1977-09-06
McCamish, Marion E.
Stock material or miscellaneous articles
Composite
428457, 428532, B32B 904
Patent
active
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".
Schimmel Karl F.
Wismer Marco
Curley John E.
DeMajistre Robert
McCamish Marion E.
PPG Industries Inc.
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