- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 22/20 - Esters containing oxygen in addition to the carboxy oxygen
Patent holdings for IPC class C08F 22/20
Total number of patents in this class: 90
10-year publication summary
|
10
|
10
|
8
|
11
|
4
|
10
|
7
|
8
|
7
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30206 |
7 |
| Rogers Corporation | 506 |
4 |
| Zeon Corporation | 4112 |
4 |
| Mighty Buildings, Inc. | 65 |
4 |
| Archroma IP GmbH | 457 |
3 |
| Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. | 200 |
3 |
| BASF SE | 21127 |
2 |
| LG Chem, Ltd. | 17805 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5918 |
2 |
| JSR Corporation | 2548 |
2 |
| Croda International plc | 569 |
2 |
| DIC Corporation | 3899 |
2 |
| NOK Corporation | 2280 |
2 |
| Technische Universitaet Wien | 41 |
2 |
| Tokyo Ohka Kogyo Co., Ltd. | 1542 |
2 |
| The University of Tokyo | 4318 |
2 |
| DuPont Electronic Materials International, LLC | 425 |
2 |
| 3m Innovative Properties Company | 17536 |
1 |
| The Regents of the University of California | 20473 |
1 |
| Merck Patent GmbH | 5716 |
1 |
| Other owners | 40 |