- 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: 432
10-year publication summary
|
31
|
35
|
40
|
34
|
30
|
49
|
42
|
32
|
37
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17929 |
54 |
| Zeon Corporation | 4151 |
35 |
| Hansol Chemical Co., Ltd. | 196 |
16 |
| Kaneka Corporation | 4713 |
10 |
| INEOS Styrolution Group GmbH | 360 |
9 |
| Contemporary Amperex Technology Co., Limited | 10003 |
8 |
| Cytec Industries Inc. | 408 |
8 |
| Denka Company Limited | 2728 |
8 |
| SABIC Global Technologies B.V. | 4599 |
7 |
| BASF SE | 21308 |
5 |
| Commonwealth Scientific and Industrial Research Organisation | 1652 |
5 |
| Kingfa SCI & Tech Co. Ltd. | 704 |
5 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6119 |
5 |
| Metis Technologies Pty Ltd | 6 |
5 |
| Canon Inc. | 43869 |
4 |
| TDK Corporation | 6876 |
4 |
| Arlanxeo Deutschland GmbH | 278 |
4 |
| Matsumoto Yushi-Seiyaku Co., Ltd. | 188 |
4 |
| Sekisui Chemical Co., Ltd. | 3619 |
4 |
| Wanhua Chemical Group Co., Ltd. | 386 |
4 |
| Other owners | 228 |