- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 20/22 - Esters containing halogen
Patent holdings for IPC class C08F 20/22
Total number of patents in this class: 133
10-year publication summary
|
3
|
8
|
8
|
9
|
10
|
9
|
3
|
4
|
7
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29728 |
14 |
| Daikin Industries, Ltd. | 10129 |
11 |
| JSR Corporation | 2532 |
10 |
| Central Glass Company, Limited | 1275 |
10 |
| Asahi Glass Company, Limited | 2745 |
6 |
| Mitsubishi Gas Chemical Company, Inc. | 3488 |
6 |
| Agc, Inc. | 4966 |
5 |
| Shin-Etsu Chemical Co., Ltd. | 5732 |
4 |
| Tokyo Ohka Kogyo Co., Ltd. | 1551 |
4 |
| LG Chem, Ltd. | 17674 |
3 |
| Mitsubishi Chemical Corporation | 4583 |
3 |
| Kaneka Corporation | 4601 |
3 |
| Denka Company Limited | 2643 |
3 |
| DIC Corporation | 3827 |
3 |
| Osaka Organic Chemical Industry Ltd. | 132 |
3 |
| 3m Innovative Properties Company | 17749 |
2 |
| Wisconsin Alumni Research Foundation | 3890 |
2 |
| Idemitsu Kosan Co., Ltd. | 4243 |
2 |
| Nissan Chemical Industries, Ltd. | 1701 |
2 |
| The School Corporation Kansai University | 170 |
2 |
| Other owners | 35 |