- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 220/42 - Nitriles
Patent holdings for IPC class C08F 220/42
Total number of patents in this class: 96
10-year publication summary
|
3
|
6
|
11
|
5
|
6
|
10
|
9
|
5
|
4
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 4114 |
24 |
| LG Chem, Ltd. | 17813 |
10 |
| Denka Company Limited | 2698 |
6 |
| FUJIFILM Corporation | 30210 |
3 |
| Nippon a & L Inc. | 92 |
3 |
| Toagosei Co., Ltd. | 995 |
3 |
| JSR Corporation | 2540 |
2 |
| Hannanotech Co., Ltd. | 15 |
2 |
| Kuraray Co., Ltd. | 3567 |
2 |
| University of Washington | 2400 |
2 |
| Polybatt Materials Co., Ltd. | 5 |
2 |
| TDK Corporation | 6803 |
1 |
| Showa Denko K.K. | 2103 |
1 |
| Toray Industries, Inc. | 7036 |
1 |
| Mitsui Chemicals, Inc. | 3215 |
1 |
| Mitsubishi Chemical Corporation | 4682 |
1 |
| Henkel AG & Co. KGaA | 10712 |
1 |
| Adeka Corporation | 1367 |
1 |
| Asahi Kasei Kabushiki Kaisha | 2781 |
1 |
| BYD Company Limited | 6196 |
1 |
| Other owners | 28 |