- 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: 120
10-year publication summary
|
6
|
3
|
6
|
15
|
8
|
10
|
8
|
6
|
7
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Holdings Intellectual Properties, LLC | 57 |
10 |
| LG Chem, Ltd. | 17665 |
9 |
| Hon Hai Precision Industry Co., Ltd. | 4044 |
4 |
| Tsinghua University | 5731 |
4 |
| Arlanxeo Deutschland GmbH | 299 |
4 |
| Commonwealth Scientific and Industrial Research Organisation | 1677 |
4 |
| Nitto Denko Corporation | 8107 |
3 |
| Toray Industries, Inc. | 6864 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3760 |
3 |
| Adeka Corporation | 1351 |
3 |
| Deakin University | 124 |
3 |
| Zeon Corporation | 4009 |
3 |
| Hutchinson | 461 |
2 |
| Kolon Industries, Inc. | 1605 |
2 |
| Midori Anzen Co., Ltd. | 106 |
2 |
| North Carolina State University | 1533 |
2 |
| Kabushiki Kaisha Toyota Jidoshokki | 1735 |
2 |
| Instituto Granado de Tecnologia da Poliacrilonitrila Ltda | 2 |
2 |
| Bayer MaterialScience AG | 838 |
1 |
| Bayer MaterialScience LLC | 166 |
1 |
| Other owners | 53 |