- All sections
- C - Chemistrymetallurgy
- C01D - Compounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium
- C01D 3/06 - Preparation by working up brines, seawater or spent lyes
Patent holdings for IPC class C01D 3/06
Total number of patents in this class: 173
10-year publication summary
|
6
|
12
|
14
|
5
|
19
|
9
|
10
|
7
|
23
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Mosaic Company | 235 |
5 |
| Veolia Water Technologies, Inc. | 83 |
5 |
| Council of Scientific & Industrial Research | 1449 |
4 |
| Qinghai Institute of Salt Lakes, Chinese Academy of Sciences | 30 |
4 |
| Schlumberger Canada Limited | 7621 |
3 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1273 |
3 |
| Guangzhou Ruishi Tianqi Energy Technology Co., Ltd | 4 |
3 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1227 |
3 |
| Industrie de Nora S.p.A. | 282 |
3 |
| Michigan Technological University | 164 |
3 |
| Solvay SA | 941 |
3 |
| Aquatech International, LLC | 111 |
3 |
| Aquafortus Technologies Limited | 30 |
3 |
| Nouryon Chemicals International B.V. | 650 |
3 |
| Schlumberger Technology Corporation | 11981 |
2 |
| Schlumberger Technology B.v. | 5292 |
2 |
| Akzo Nobel N.V. | 144 |
2 |
| Blue Cube IP LLC | 221 |
2 |
| Chemetics Inc. | 69 |
2 |
| Dead Sea Works Ltd. | 27 |
2 |
| Other owners | 113 |