IPC Subgroup
C08K 3/28 Nitrogen-containing compounds
Introduced: July 1974
Last revised: January 2006
Full Title
Use of inorganic substances as compounding ingredients > Nitrogen-containing compounds
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