- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 20/44 - Acrylonitrile
Patent holdings for IPC class C08F 20/44
Total number of patents in this class: 122
10-year publication summary
|
3
|
6
|
15
|
8
|
10
|
8
|
7
|
7
|
4
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Holdings Intellectual Properties, LLC | 68 |
11 |
| LG Chem, Ltd. | 17986 |
10 |
| Hon Hai Precision Industry Co., Ltd. | 4019 |
4 |
| Tsinghua University | 6260 |
4 |
| Commonwealth Scientific and Industrial Research Organisation | 1651 |
4 |
| Deakin University | 131 |
4 |
| Toray Industries, Inc. | 7161 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3791 |
3 |
| Adeka Corporation | 1389 |
3 |
| Zeon Corporation | 4183 |
3 |
| Nitto Denko Corporation | 8640 |
2 |
| Arlanxeo Deutschland GmbH | 279 |
2 |
| Hutchinson | 492 |
2 |
| Kolon Industries, Inc. | 1860 |
2 |
| Midori Anzen Co., Ltd. | 98 |
2 |
| North Carolina State University | 1603 |
2 |
| Kabushiki Kaisha Toyota Jidoshokki | 1840 |
2 |
| Bayer MaterialScience AG | 700 |
1 |
| Bayer MaterialScience LLC | 123 |
1 |
| Tokyo Electron Limited | 13987 |
1 |
| Other owners | 56 |