- 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: 139
10-year publication summary
|
8
|
8
|
9
|
10
|
9
|
4
|
5
|
7
|
10
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30516 |
15 |
| JSR Corporation | 2558 |
11 |
| Daikin Industries, Ltd. | 10504 |
10 |
| Central Glass Company, Limited | 1295 |
10 |
| Mitsubishi Gas Chemical Company, Inc. | 3624 |
8 |
| Agc, Inc. | 5537 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 6109 |
5 |
| Tokyo Ohka Kogyo Co., Ltd. | 1563 |
5 |
| Asahi Glass Company, Limited | 2619 |
3 |
| Mitsubishi Chemical Corporation | 4723 |
3 |
| Kaneka Corporation | 4713 |
3 |
| Denka Company Limited | 2728 |
3 |
| DIC Corporation | 3965 |
3 |
| Osaka Organic Chemical Industry Ltd. | 141 |
3 |
| Jicc-02 Co., Ltd. | 275 |
3 |
| 3m Innovative Properties Company | 17481 |
2 |
| Wisconsin Alumni Research Foundation | 3902 |
2 |
| Cornell University | 3426 |
2 |
| Nissan Chemical Industries, Ltd. | 1643 |
2 |
| The School Corporation Kansai University | 178 |
2 |
| Other owners | 38 |