- All sections
- C - Chemistrymetallurgy
- C01D - Compounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium
- C01D 7/28 - Purification with selective solvents
Patent holdings for IPC class C01D 7/28
Total number of patents in this class: 4
10-year publication summary
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eve Energy Co., Ltd. | 459 |
1 |
| HCL Cleantech Ltd. | 17 |
1 |
| Solvay Chemicals, Inc. | 23 |
1 |
| Jinhai Lithium(Qinghai) Co., Ltd. | 2 |
1 |
| Other owners | 0 |