- 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: 237
10-year publication summary
|
26
|
14
|
12
|
25
|
15
|
20
|
15
|
22
|
18
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30514 |
12 |
| Shin-Etsu Chemical Co., Ltd. | 6096 |
8 |
| Drexel University | 1001 |
6 |
| The United States of America as represented by the Secretary of the Army | 1255 |
5 |
| Merck Patent GmbH | 5728 |
4 |
| Sumitomo Chemical Company, Limited | 9016 |
4 |
| DIC Corporation | 3962 |
4 |
| Kolon Industries, Inc. | 1844 |
4 |
| Aidite (Qinhuangdao) Technology Co., Ltd. | 98 |
4 |
| Samsung Display Co., Ltd. | 38627 |
3 |
| Canon Inc. | 43817 |
3 |
| JSR Corporation | 2554 |
3 |
| Hannanotech Co., Ltd. | 15 |
3 |
| Maruzen Petrochemical Co., Ltd. | 187 |
3 |
| Shenzhen Guohua Optoelectronics Co., Ltd. | 99 |
3 |
| Centre de Technologie Minérale et de Plasturgie Inc. | 3 |
3 |
| Kzj New Materials Group Co., Ltd. | 53 |
3 |
| Samsung Electronics Co., Ltd. | 157719 |
2 |
| 3m Innovative Properties Company | 17478 |
2 |
| BASF SE | 21303 |
2 |
| Other owners | 156 |