- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 220/22 - Esters containing halogen
Patent holdings for IPC class C08F 220/22
Total number of patents in this class: 585
10-year publication summary
|
40
|
46
|
32
|
42
|
37
|
33
|
44
|
42
|
34
|
37
|
| 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. | 6203 |
86 |
| Daikin Industries, Ltd. | 10551 |
44 |
| FUJIFILM Corporation | 30873 |
38 |
| JSR Corporation | 2562 |
32 |
| Zeon Corporation | 4181 |
30 |
| Sumitomo Chemical Company, Limited | 9002 |
23 |
| Asahi Glass Company, Limited | 2573 |
20 |
| LG Chem, Ltd. | 18010 |
16 |
| Agc, Inc. | 5722 |
13 |
| Central Glass Company, Limited | 1300 |
11 |
| Tokyo Ohka Kogyo Co., Ltd. | 1561 |
11 |
| Korea Research Institute of Chemical Technology | 1497 |
8 |
| Nissan Chemical Industries, Ltd. | 1622 |
7 |
| Unimatec Co., Ltd. | 232 |
7 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 49884 |
6 |
| Toray Industries, Inc. | 7167 |
6 |
| DIC Corporation | 4015 |
6 |
| 3m Innovative Properties Company | 17465 |
5 |
| International Business Machines Corporation | 62935 |
5 |
| Dongjin Semichem Co., Ltd. | 517 |
5 |
| Other owners | 206 |