- 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: 408
10-year publication summary
|
42
|
34
|
35
|
29
|
27
|
16
|
23
|
18
|
18
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5680 |
44 |
| Daikin Industries, Ltd. | 10058 |
34 |
| Agc, Inc. | 4901 |
24 |
| FUJIFILM Corporation | 29506 |
20 |
| Unimatec Co., Ltd. | 236 |
16 |
| 3m Innovative Properties Company | 17812 |
15 |
| JSR Corporation | 2524 |
15 |
| Central Glass Company, Limited | 1271 |
14 |
| Sumitomo Chemical Company, Limited | 9051 |
11 |
| Asahi Glass Company, Limited | 2766 |
10 |
| E. I. du Pont de Nemours and Company | 4025 |
9 |
| DuPont Electronic Materials International, LLC | 429 |
9 |
| Tokyo Ohka Kogyo Co., Ltd. | 1545 |
8 |
| Zeon Corporation | 4078 |
8 |
| The Chemours Company Fc, LLC | 1246 |
6 |
| International Business Machines Corporation | 61402 |
5 |
| Saudi Arabian Oil Company | 13316 |
5 |
| Trustees of Tufts College | 885 |
5 |
| AGC Seimi Chemical Co., Ltd. | 61 |
4 |
| Archroma IP GmbH | 461 |
4 |
| Other owners | 142 |