IPC Subgroup
C01D 7/42 Preventing the absorption of moisture or caking
Introduced: September 1968
Last revised: January 2006
Full Title
Carbonates of sodium, potassium, or alkali metals in general > Preventing the absorption of moisture or caking
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- INORGANIC CHEMISTRY
- Subclass:
- COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM