- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/215 - PurificationRecovery or purification of graphite formed in iron making, e.g. kish graphite
Patent holdings for IPC class C01B 32/215
Total number of patents in this class: 131
10-year publication summary
|
0
|
3
|
7
|
6
|
3
|
9
|
10
|
24
|
22
|
34
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Primobius GmbH | 14 |
11 |
| Talga Technologies Limited | 32 |
8 |
| Carbonscape Limited | 26 |
6 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1243 |
6 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1212 |
6 |
| Ascend Elements, Inc. | 65 |
5 |
| Ecograf Limited | 6 |
4 |
| Mexichem Fluor Inc. | 8 |
4 |
| Commonwealth Scientific and Industrial Research Organisation | 1651 |
3 |
| Nouveau Monde Graphite Inc. | 12 |
3 |
| Urbix, Inc. | 10 |
3 |
| The Regents of the University of California | 19918 |
2 |
| Hatch Ltd. | 214 |
2 |
| King Abdullah University of Science and Technology | 1778 |
2 |
| The Penn State Research Foundation | 1518 |
2 |
| Attero Recycling Pvt. Ltd. | 25 |
2 |
| Raymor Industries Inc. | 13 |
2 |
| BTR New Material Group Co., Ltd. | 213 |
2 |
| Graphene Star Ltd | 5 |
2 |
| SkyNano LLC | 6 |
2 |
| Other owners | 54 |