- All sections
- C - Chemistrymetallurgy
- C01F - Compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare earth metals
- C01F 7/62 - Purification
Patent holdings for IPC class C01F 7/62
Total number of patents in this class: 22
10-year publication summary
|
2
|
1
|
0
|
1
|
0
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0
|
4
|
4
|
2
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Norsk Hydro ASA | 245 |
3 |
| Alcoa of Australia Limited | 42 |
2 |
| Tianqi Lithium Kwinana Pty Ltd | 10 |
2 |
| Andromeda Technologies Holdings Pty Ltd | 3 |
2 |
| Ecotec Gestione Impianti S.r.l. | 11 |
1 |
| Ecotec Risorse S.r.l. | 1 |
1 |
| Entegris, Inc. | 2035 |
1 |
| Lanxess Deutschland GmbH | 1152 |
1 |
| Nextchem, LLC | 3 |
1 |
| Tokuyama Corporation | 1506 |
1 |
| Sichuan Xingzhi Zhihui Intellectual Property Operation Co., Ltd. | 53 |
1 |
| Hubei Huifu Nanomaterial Co., Ltd. | 9 |
1 |
| Guangzhou Huifu Research Institute Co., Ltd. | 7 |
1 |
| Magrathea Metals Inc. | 8 |
1 |
| Lava Blue Ltd | 8 |
1 |
| Adelaide University | 111 |
1 |
| Gharda Medical and Advanced Technologies Foundation | 19 |
1 |
| Other owners | 0 |