IPC Subgroup
C01F 7/38 Preparation of aluminium oxide by thermal reduction of aluminous minerals
Introduced: September 1968
Last revised: January 2006
Full Title
Compounds of aluminium > Aluminium oxide; Aluminium hydroxide; Aluminates > Preparation of aluminium oxide by thermal reduction of aluminous minerals
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
1 direct subcode
Child Classifications
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- C01F 7/4 in the presence of aluminium sulfide