- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 220/24 - Esters containing halogen containing perhaloalkyl radicals
Patent holdings for IPC class C08F 220/24
Total number of patents in this class: 410
10-year publication summary
|
34
|
35
|
29
|
30
|
16
|
24
|
18
|
18
|
9
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 6109 |
45 |
| Daikin Industries, Ltd. | 10504 |
31 |
| Agc, Inc. | 5537 |
24 |
| FUJIFILM Corporation | 30516 |
19 |
| Unimatec Co., Ltd. | 237 |
16 |
| 3m Innovative Properties Company | 17481 |
14 |
| Central Glass Company, Limited | 1295 |
14 |
| Sumitomo Chemical Company, Limited | 8968 |
11 |
| JSR Corporation | 2558 |
11 |
| Asahi Glass Company, Limited | 2619 |
10 |
| E. I. du Pont de Nemours and Company | 3526 |
9 |
| Tokyo Ohka Kogyo Co., Ltd. | 1563 |
9 |
| Zeon Corporation | 4151 |
9 |
| DuPont Electronic Materials International, LLC | 427 |
9 |
| The Chemours Company Fc, LLC | 1346 |
6 |
| Jicc-02 Co., Ltd. | 275 |
6 |
| International Business Machines Corporation | 62671 |
5 |
| Saudi Arabian Oil Company | 14248 |
5 |
| Trustees of Tufts College | 978 |
5 |
| AGC Seimi Chemical Co., Ltd. | 53 |
4 |
| Other owners | 148 |