- All sections
- C - Chemistry; metallurgy
- 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: 493
10-year publication summary
|
28
|
63
|
40
|
46
|
32
|
40
|
35
|
30
|
41
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5132 |
46 |
| Daikin Industries, Ltd. | 9495 |
44 |
| FUJIFILM Corporation | 27102 |
31 |
| Zeon Corporation | 3854 |
25 |
| JSR Corporation | 2476 |
24 |
| Sumitomo Chemical Company, Limited | 8808 |
23 |
| Asahi Glass Company, Limited | 2985 |
23 |
| LG Chem, Ltd. | 17205 |
16 |
| Agc, Inc. | 4029 |
12 |
| Tokyo Ohka Kogyo Co., Ltd. | 1481 |
10 |
| 3m Innovative Properties Company | 18406 |
9 |
| Nissan Chemical Industries, Ltd. | 1822 |
7 |
| Unimatec Co., Ltd. | 216 |
7 |
| International Business Machines Corporation | 60644 |
6 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
6 |
| DIC Corporation | 3597 |
6 |
| Nikon Corporation | 7162 |
5 |
| Toray Industries, Inc. | 6652 |
5 |
| Central Glass Company, Limited | 1244 |
5 |
| Korea Research Institute of Chemical Technology | 1266 |
5 |
| Other owners | 178 |