- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 25/37 - Phosphates of heavy metals
Patent holdings for IPC class C01B 25/37
Total number of patents in this class: 493
10-year publication summary
|
18
|
19
|
23
|
11
|
23
|
19
|
36
|
42
|
59
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunan Brunp Recycling Technology Co., Ltd. | 950 |
48 |
| Guangdong Brunp Recycling Technology Co., Ltd | 988 |
47 |
| Hunan Brunp EV Recycling Co., Ltd. | 363 |
19 |
| Chemische Fabrik Budenheim KG | 218 |
17 |
| Centre National de La Recherche Scientifique | 10140 |
11 |
| Fujimi Incorporated | 707 |
11 |
| Toagosei Co., Ltd. | 953 |
9 |
| Hunan Brunp Vehicles Recycling Co., Ltd. | 75 |
9 |
| A123 Systems LLC | 183 |
8 |
| Nippon Chemical Industrial Co., Ltd. | 273 |
6 |
| The Research Foundation for The State University of New York | 1559 |
6 |
| Umicore | 601 |
6 |
| Shenzhen Batian Ecotypic Engineering Co.,Ltd. | 7 |
6 |
| National Tsing Hua University | 1137 |
5 |
| Sud-chemie AG | 184 |
5 |
| LG Energy Solution, Ltd. | 13027 |
5 |
| OCP S.A. | 73 |
4 |
| Rhodia Operations | 1589 |
4 |
| Tesla, Inc. | 1643 |
4 |
| Guizhou Batian Ecotypic Engineering Co., Ltd. | 4 |
4 |
| Other owners | 259 |