- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 32/19 - Preparation by exfoliation
Patent holdings for IPC class C01B 32/19
Total number of patents in this class: 459
10-year publication summary
|
9
|
17
|
49
|
71
|
79
|
64
|
68
|
51
|
40
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Global Graphene Group, Inc. | 246 |
25 |
| Northwestern University | 3112 |
12 |
| ArcelorMittal | 1887 |
10 |
| LG Chem, Ltd. | 17205 |
9 |
| Rutgers, The State University of New Jersey | 1776 |
8 |
| Nanoxplore Inc. | 43 |
8 |
| Nanotek Instruments, Inc. | 162 |
7 |
| The University of Manchester | 456 |
7 |
| Black Swan Graphene Inc. | 10 |
7 |
| Centre National de La Recherche Scientifique | 9632 |
6 |
| Sekisui Chemical Co., Ltd. | 3159 |
6 |
| Graphene Platform Corporation | 25 |
5 |
| Nanotek Instruments Group, LLC | 54 |
5 |
| Avadain, LLC | 7 |
5 |
| The Regents of the University of California | 18943 |
4 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1254 |
4 |
| Directa Plus S.p.A. | 60 |
4 |
| Guangdong Brunp Recycling Technology Co., Ltd | 674 |
4 |
| Hunan Brunp Recycling Technology Co., Ltd. | 622 |
4 |
| The Texas a & M University System | 1519 |
4 |
| Other owners | 315 |