- All sections
- C - Chemistrymetallurgy
- C01D - Compounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium
- C01D 5/02 - Preparation of sulfates from alkali metal salts and sulfuric acid or bisulfatesPreparation of bisulfates
Patent holdings for IPC class C01D 5/02
Total number of patents in this class: 62
10-year publication summary
|
3
|
7
|
2
|
6
|
3
|
4
|
8
|
6
|
8
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tessenderlo Group, NV | 169 |
6 |
| AEM Canada Group Inc. | 13 |
4 |
| Veolia Water Technologies, Inc. | 83 |
2 |
| Frontier Lithium Inc. | 11 |
2 |
| Northvolt AB | 254 |
2 |
| Eurodia Industrie | 27 |
2 |
| KSM Inc. | 6 |
2 |
| Koreaseparation Co., Ltd. | 15 |
2 |
| France Evaporation | 3 |
2 |
| Bond Chemicals Pty Ltd | 3 |
2 |
| Australian Nuclear Science and Technology Organisation | 68 |
1 |
| Central South University | 499 |
1 |
| Consejo Superior de Investigaciones Cientificas | 798 |
1 |
| Enviro Water Minerals Company, Inc. | 24 |
1 |
| Hatch Ltd. | 217 |
1 |
| Industry Foundation of Chonnam National University | 678 |
1 |
| Intercontinental Potash Corp. (USA) | 4 |
1 |
| JON Pty Limited | 2 |
1 |
| Kemira Oyj | 1265 |
1 |
| Kemira Water Solutions, Inc. | 38 |
1 |
| Other owners | 26 |