IPC Subgroup
C01F 17/294 Oxysulfides
Introduced: January 2020
Full Title
Compounds of rare earth metals > Compounds containing only rare earth metals as the metal element > Sulfides > Oxysulfides
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- INORGANIC CHEMISTRY
- Subclass:
- COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE EARTH METALS