- 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: 500
10-year publication summary
|
17
|
49
|
71
|
79
|
64
|
68
|
52
|
42
|
47
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Global Graphene Group, Inc. | 247 |
25 |
| Northwestern University | 3366 |
12 |
| ArcelorMittal | 2248 |
12 |
| LG Chem, Ltd. | 17564 |
9 |
| Nanoxplore Inc. | 48 |
9 |
| Avadain, LLC | 10 |
9 |
| Rutgers, The State University of New Jersey | 1880 |
8 |
| Nanotek Instruments, Inc. | 162 |
7 |
| The University of Manchester | 454 |
7 |
| Centre National de La Recherche Scientifique | 10350 |
5 |
| Graphene Platform Corporation | 24 |
5 |
| Sekisui Chemical Co., Ltd. | 3378 |
5 |
| Nanotek Instruments Group, LLC | 53 |
5 |
| The Regents of the University of California | 19839 |
4 |
| China Petroleum & Chemical Corporation | 1874 |
4 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1362 |
4 |
| Directa Plus S.p.A. | 63 |
4 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1191 |
4 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1159 |
4 |
| Imperial College Innovations Limited | 575 |
4 |
| Other owners | 354 |