IPC Subgroup
C01B 32/215 Purification; Recovery or purification of graphite formed in iron making, e.g. kish graphite
Introduced: January 2017
Full Title
Carbon; Compounds thereof > Graphite > After-treatment > Purification; Recovery or purification of graphite formed in iron making, e.g. kish graphite
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- INORGANIC CHEMISTRY
- Subclass:
- NON-METALLIC ELEMENTS; COMPOUNDS THEREOF