- 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: 56
10-year publication summary
|
5
|
3
|
7
|
2
|
6
|
3
|
4
|
7
|
6
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tessenderlo Group, NV | 167 |
6 |
| AEM Canada Group Inc. | 13 |
4 |
| Veolia Water Technologies, Inc. | 77 |
2 |
| Frontier Lithium Inc. | 12 |
2 |
| Northvolt AB | 228 |
2 |
| Eurodia Industrie | 28 |
2 |
| KSM Inc. | 7 |
2 |
| Koreaseparation Co., Ltd. | 11 |
2 |
| France Evaporation | 3 |
2 |
| Australian Nuclear Science and Technology Organisation | 69 |
1 |
| Central South University | 437 |
1 |
| Consejo Superior de Investigaciones Cientificas | 865 |
1 |
| Enviro Water Minerals Company, Inc. | 24 |
1 |
| Hatch Ltd. | 214 |
1 |
| Industry Foundation of Chonnam National University | 649 |
1 |
| Intercontinental Potash Corp. (USA) | 4 |
1 |
| JON Pty Limited | 5 |
1 |
| Lithium Australia NL | 10 |
1 |
| Mineral and Chemical Company Eurochem, Joint Stock Company | 9 |
1 |
| Mpply Co., Ltd. | 4 |
1 |
| Other owners | 21 |