- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/19 - Preparation by exfoliation
Patent holdings for IPC class C01B 32/19
Total number of patents in this class: 505
10-year publication summary
|
13
|
46
|
66
|
72
|
57
|
62
|
49
|
41
|
46
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Global Graphene Group, Inc. | 248 |
25 |
| Northwestern University | 3422 |
12 |
| ArcelorMittal | 2334 |
12 |
| Nanoxplore Inc. | 52 |
10 |
| LG Chem, Ltd. | 17680 |
9 |
| Avadain, LLC | 10 |
9 |
| Rutgers, The State University of New Jersey | 1911 |
8 |
| Nanotek Instruments, Inc. | 162 |
7 |
| The University of Manchester | 453 |
7 |
| Centre National de La Recherche Scientifique | 10576 |
5 |
| Graphene Platform Corporation | 24 |
5 |
| Sekisui Chemical Co., Ltd. | 3472 |
5 |
| Nanotek Instruments Group, LLC | 52 |
5 |
| The Regents of the University of California | 20137 |
4 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1381 |
4 |
| Directa Plus S.p.A. | 63 |
4 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1244 |
4 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1213 |
4 |
| Imperial College Innovations Limited | 597 |
4 |
| National University of Singapore | 2485 |
4 |
| Other owners | 358 |