- All sections
- C - Chemistry; metallurgy
- 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: 182
10-year publication summary
|
19
|
22
|
26
|
14
|
12
|
24
|
15
|
19
|
13
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
12 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
8 |
| The United States of America as represented by the Secretary of the Army | 1195 |
5 |
| DIC Corporation | 3597 |
5 |
| Drexel University | 951 |
5 |
| Sumitomo Chemical Company, Limited | 8808 |
4 |
| Kolon Industries, Inc. | 1506 |
4 |
| Merck Patent GmbH | 5909 |
3 |
| Canon Inc. | 36841 |
3 |
| Mitsubishi Chemical Corporation | 4313 |
3 |
| JSR Corporation | 2476 |
3 |
| Maruzen Petrochemical Co., Ltd. | 171 |
3 |
| Nippon Shokubai Co., Ltd. | 1487 |
3 |
| Shenzhen Guohua Optoelectronics Co., Ltd. | 100 |
3 |
| Centre de Technologie Minérale et de Plasturgie Inc. | 4 |
3 |
| Samsung Display Co., Ltd. | 30585 |
2 |
| BASF SE | 19740 |
2 |
| Samsung SDI Co., Ltd. | 6671 |
2 |
| Dai Nippon Printing Co., Ltd. | 3891 |
2 |
| Evoqua Water Technologies LLC | 904 |
2 |
| Other owners | 105 |