IPC Subgroup
C08K 5/34 Heterocyclic compounds having nitrogen in the ring
Introduced: July 1974
Last revised: January 2006
Full Title
Use of organic ingredients > Nitrogen-containing compounds > Heterocyclic compounds having nitrogen in the ring
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- Subclass:
- USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
4 direct subcodes
Child Classifications
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- C08K 5/3412 having one nitrogen atom in the ring
- C08K 5/3442 having two nitrogen atoms in the ring
- C08K 5/3467 having more than two nitrogen atoms in the ring
- C08K 5/35 having also oxygen in the ring