- 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: 130
10-year publication summary
16
|
10
|
18
|
16
|
6
|
7
|
11
|
9
|
12
|
4
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Veolia Water Technologies, Inc. | 77 |
5 |
Infinited Fiber Company Oy | 41 |
4 |
Guangdong Brunp Recycling Technology Co., Ltd | 1202 |
3 |
Hunan Brunp Recycling Technology Co., Ltd. | 1170 |
3 |
Intercontinental Potash Corp. (USA) | 4 |
3 |
Marsulex Environmental Technologies Corporation | 26 |
3 |
Nemaska Lithium Inc. | 73 |
3 |
BASF SE | 20874 |
2 |
Andritz Oy | 282 |
2 |
Council of Scientific and Industrial Research | 603 |
2 |
Council of Scientific & Industrial Research | 1424 |
2 |
Hatch Ltd. | 213 |
2 |
Iogen Corporation | 145 |
2 |
K+S Aktiengesellschaft | 93 |
2 |
K+S KALI GmbH | 11 |
2 |
NanTong Acetic Acid Chemical Co., Ltd. | 9 |
2 |
OCP S.A. | 78 |
2 |
SABIC Global Technologies B.V. | 4318 |
2 |
Hunan Jinyuan New Materials Co., Ltd. | 4 |
2 |
Nantong Liyang Chemical Co., Ltd. | 2 |
2 |
Other owners | 80 |