- All sections
- C - Chemistrymetallurgy
- C01D - Compounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium
- C01D 7/22 - Purification
Patent holdings for IPC class C01D 7/22
Total number of patents in this class: 21
10-year publication summary
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2
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1
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0
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0
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1
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2
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2
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1
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0
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Solvay SA | 1026 |
8 |
| Saltworks Technologies Inc. | 90 |
2 |
| Genesis Alkali Wyoming, LP | 19 |
2 |
| Hyundai Engineering & Construction Co., Ltd. | 23 |
1 |
| Hyundai Steel Company | 359 |
1 |
| Korea Institute of Industrial Technology | 1008 |
1 |
| LEIYANG YANXIN NON-FERROUS METALS Co., LTD. | 7 |
1 |
| Orocobre Limited | 4 |
1 |
| Qatar Foundation for Education, Science and Community Development | 188 |
1 |
| Solvay Chemicals, Inc. | 23 |
1 |
| China Tianchen Engineering Corporation | 9 |
1 |
| Clearview TCI Ltd. | 1 |
1 |
| Other owners | 0 |