- 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: 146
10-year publication summary
|
19
|
6
|
12
|
14
|
5
|
19
|
9
|
10
|
8
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Council of Scientific & Industrial Research | 1412 |
7 |
| Veolia Water Technologies, Inc. | 82 |
6 |
| The Mosaic Company | 185 |
5 |
| Qinghai Institute of Salt Lakes, Chinese Academy of Sciences | 26 |
4 |
| Akzo Nobel Chemicals International B.V. | 480 |
3 |
| Guangzhou Ruishi Tianqi Energy Technology Co., Ltd | 4 |
3 |
| Industrie de Nora S.p.A. | 278 |
3 |
| Michigan Technological University | 147 |
3 |
| Solvay SA | 1027 |
3 |
| Aquafortus Technologies Limited | 35 |
3 |
| Nouryon Chemicals International B.V. | 602 |
3 |
| Schlumberger Canada Limited | 7168 |
2 |
| Akzo Nobel N.V. | 197 |
2 |
| Blue Cube IP LLC | 213 |
2 |
| Chemetics Inc. | 61 |
2 |
| Dead Sea Works Ltd. | 20 |
2 |
| Exportadora de Sal, S.A. de C.V. | 10 |
2 |
| Frito-Lay North America, Inc. | 1320 |
2 |
| Guangdong Brunp Recycling Technology Co., Ltd | 996 |
2 |
| Hatch Ltd. | 215 |
2 |
| Other owners | 85 |