- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/196 - Purification
Patent holdings for IPC class C01B 32/196
Total number of patents in this class: 71
10-year publication summary
|
6
|
7
|
5
|
2
|
9
|
6
|
16
|
11
|
6
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Raymor Industries Inc. | 13 |
7 |
| Nanotech Energy, Inc. | 53 |
6 |
| G6 Materials Corp. | 15 |
3 |
| Northwestern University | 3567 |
2 |
| ArcelorMittal | 2725 |
2 |
| Global Graphene Group, Inc. | 249 |
2 |
| King Abdullah University of Science and Technology | 1868 |
2 |
| Sicona Battery Technologies Pty Ltd | 42 |
2 |
| Vianode AS | 24 |
2 |
| International Business Machines Corporation | 62769 |
1 |
| Hon Hai Precision Industry Co., Ltd. | 4018 |
1 |
| Yazaki Corporation | 7142 |
1 |
| Tsinghua University | 6245 |
1 |
| Korea Institute of Science and Technology | 2252 |
1 |
| Applied Graphene Materials UK Limited | 26 |
1 |
| Chongqing University | 309 |
1 |
| Consejo Superior de Investigaciones Cientificas | 799 |
1 |
| Council of Scientific and Industrial Research | 596 |
1 |
| Energy, United States Department of | 22 |
1 |
| Exogenesis Corporation | 68 |
1 |
| Other owners | 32 |