- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 220/44 - Acrylonitrile
Patent holdings for IPC class C08F 220/44
Total number of patents in this class: 389
10-year publication summary
|
15
|
31
|
35
|
40
|
34
|
30
|
49
|
41
|
31
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17639 |
52 |
| Zeon Corporation | 4078 |
36 |
| Kaneka Corporation | 4529 |
10 |
| Hansol Chemical Co., Ltd. | 147 |
10 |
| INEOS Styrolution Group GmbH | 344 |
9 |
| Contemporary Amperex Technology Co., Limited | 6732 |
8 |
| Cytec Industries Inc. | 403 |
8 |
| Denka Company Limited | 2585 |
8 |
| SABIC Global Technologies B.V. | 4347 |
7 |
| BASF SE | 20915 |
5 |
| Arlanxeo Deutschland GmbH | 277 |
5 |
| Commonwealth Scientific and Industrial Research Organisation | 1652 |
5 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6112 |
5 |
| Metis Technologies Pty Ltd | 6 |
5 |
| Canon Inc. | 40015 |
4 |
| TDK Corporation | 6750 |
4 |
| Matsumoto Yushi-Seiyaku Co., Ltd. | 184 |
4 |
| Sekisui Chemical Co., Ltd. | 3429 |
4 |
| Wanhua Chemical Group Co., Ltd. | 353 |
4 |
| Superdielectrics Ltd | 16 |
4 |
| Other owners | 192 |