- All sections
- C - Chemistrymetallurgy
- C01F - Compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare earth metals
- C01F 7/0646 - Separation of the insoluble residue, e.g. of red mud
Patent holdings for IPC class C01F 7/0646
Total number of patents in this class: 9
10-year publication summary
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0
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0
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0
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1
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0
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1
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0
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3
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3
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ERMAFA Environmental Technologies GmbH | 8 |
2 |
| Indian Institute of Technology, Kharagpur | 81 |
1 |
| Kunming University of Science and Technology | 245 |
1 |
| Obshchestvo S Ogranichennoy Otvetstvennost'yu "obedinennaya Kompaniya RUSAL Inzhenerno-tekhnologicheskiy Tsentr" | 138 |
1 |
| Rio Tinto ALCAN International Limited | 219 |
1 |
| Sefar AG | 46 |
1 |
| Mineracao Rio do Norte SA | 1 |
1 |
| EnhancedGEO Holdings, LLC | 77 |
1 |
| Other owners | 0 |