- All sections
- C - Chemistry; metallurgy
- 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: 32
10-year publication summary
8
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3
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1
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3
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1
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0
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2
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3
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1
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0
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |