- All sections
- C - Chemistrymetallurgy
- C01D - Compounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium
- C01D 5/16 - Purification
Patent holdings for IPC class C01D 5/16
Total number of patents in this class: 88
10-year publication summary
|
6
|
6
|
8
|
6
|
6
|
3
|
5
|
5
|
7
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nemaska Lithium Inc. | 75 |
6 |
| Veolia Water Technologies, Inc. | 81 |
6 |
| Cargill, Incorporated | 2951 |
4 |
| Investigaciones Forestales Bioforest S.A. | 13 |
3 |
| Toray Industries, Inc. | 7016 |
2 |
| Crystaphase Products, Inc. | 58 |
2 |
| Intercontinental Potash Corp. (USA) | 4 |
2 |
| OCP S.A. | 84 |
2 |
| Saltworks Technologies Inc. | 95 |
2 |
| Solvay Chemicals, Inc. | 19 |
2 |
| Solvay SA | 967 |
2 |
| Tessenderlo Group, NV | 164 |
2 |
| Go Higher Environment Group Co., Ltd. | 4 |
2 |
| Novopro Projects Inc. | 4 |
2 |
| Umicore Battery Materials Finland Oy | 20 |
2 |
| MiGao Century Engineering Technology (Chengdu) Limited Company | 2 |
2 |
| BASF SE | 21146 |
1 |
| Siemens AG | 24291 |
1 |
| Industrial Technology Research Institute | 5067 |
1 |
| Andritz Oy | 287 |
1 |
| Other owners | 41 |