IPC Subgroup
C01B 33/039 by conversion of the silicon into a compound, optional purification of the compound, and reconversion into silicon
Introduced: January 1990
Last revised: January 2006
Full Title
Silicon; Compounds thereof > Silicon > Purification > by conversion of the silicon into a compound, optional purification of the compound, and reconversion into silicon
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- INORGANIC CHEMISTRY
- Subclass:
- NON-METALLIC ELEMENTS; COMPOUNDS THEREOF