- All sections
- C - Chemistrymetallurgy
- C01D - Compounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium
- C01D 5/00 - Sulfates or sulfites of sodium, potassium, or alkali metals in general
Patent holdings for IPC class C01D 5/00
Total number of patents in this class: 155
10-year publication summary
|
10
|
18
|
16
|
6
|
7
|
11
|
9
|
13
|
14
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Veolia Water Technologies, Inc. | 83 |
6 |
| Umicore Battery Materials Finland Oy | 42 |
6 |
| Infinited Fiber Company Oy | 40 |
4 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1273 |
3 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1227 |
3 |
| Intercontinental Potash Corp. (USA) | 4 |
3 |
| Marsulex Environmental Technologies Corporation | 26 |
3 |
| Nemaska Lithium Inc. | 79 |
3 |
| Cinis Fertilizer AB | 13 |
3 |
| BASF SE | 21334 |
2 |
| Andritz Oy | 294 |
2 |
| Council of Scientific and Industrial Research | 603 |
2 |
| Hatch Ltd. | 217 |
2 |
| Iogen Corporation | 160 |
2 |
| K+S Aktiengesellschaft | 91 |
2 |
| K+S KALI GmbH | 11 |
2 |
| Nanjing Tech University | 299 |
2 |
| NanTong Acetic Acid Chemical Co., Ltd. | 9 |
2 |
| OCP S.A. | 90 |
2 |
| SABIC Global Technologies B.V. | 4632 |
2 |
| Other owners | 99 |