IPC Subgroup
C08G 18/2 Heterocyclic amines; Salts thereof
Introduced: July 1974
Last revised: January 2006
Full Title
Polymeric products of isocyanates or isothiocyanates > with compounds having active hydrogen > Processes > Catalysts > containing secondary or tertiary amines or salts thereof > Heterocyclic amines; Salts thereof
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