- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 222/20 - Esters containing oxygen in addition to the carboxy oxygen
Patent holdings for IPC class C08F 222/20
Total number of patents in this class: 207
10-year publication summary
|
22
|
26
|
14
|
12
|
24
|
15
|
20
|
15
|
22
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29305 |
12 |
| Shin-Etsu Chemical Co., Ltd. | 5634 |
8 |
| Drexel University | 985 |
5 |
| Sumitomo Chemical Company, Limited | 9040 |
4 |
| The United States of America as represented by the Secretary of the Army | 1211 |
4 |
| DIC Corporation | 3782 |
4 |
| Kolon Industries, Inc. | 1671 |
4 |
| Merck Patent GmbH | 5829 |
3 |
| Canon Inc. | 39713 |
3 |
| JSR Corporation | 2515 |
3 |
| Hannanotech Co., Ltd. | 16 |
3 |
| Maruzen Petrochemical Co., Ltd. | 179 |
3 |
| Shenzhen Guohua Optoelectronics Co., Ltd. | 107 |
3 |
| Centre de Technologie Minérale et de Plasturgie Inc. | 3 |
3 |
| Kzj New Materials Group Co., Ltd. | 52 |
3 |
| 3m Innovative Properties Company | 17857 |
2 |
| Samsung Display Co., Ltd. | 34539 |
2 |
| BASF SE | 20904 |
2 |
| Sumitomo Electric Industries, Ltd. | 15428 |
2 |
| Samsung SDI Co., Ltd. | 8174 |
2 |
| Other owners | 132 |