Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule; Polyhydrazides; Polyamide acids or similar polyimide precursors

Introduced: July 1974

Last revised: January 2006

Full Title

Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen or carbon, not provided for in groups > Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule; Polyhydrazides; Polyamide acids or similar polyimide precursors

Classification Context

Section:: CHEMISTRY; METALLURGY
Class:: ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
Subclass:: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS

5 direct subcodes

Child Classifications

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C08G 73/08 Polyhydrazides; Polytriazoles; Polyaminotriazoles; Polyoxadiazoles
C08G 73/1 Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
C08G 73/18 Polybenzimidazoles
C08G 73/2 Pyrrones
C08G 73/22 Polybenzoxazoles