- All sections
- C - Chemistrymetallurgy
- C01F - Compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare earth metals
- C01F 7/22 - Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts with halides or halogen acids
Patent holdings for IPC class C01F 7/22
Total number of patents in this class: 29
10-year publication summary
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