- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 220/26 - Esters containing oxygen in addition to the carboxy oxygen
Patent holdings for IPC class C08F 220/26
Total number of patents in this class: 541
10-year publication summary
|
47
|
28
|
30
|
29
|
31
|
28
|
21
|
22
|
16
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30653 |
57 |
| LG Chem, Ltd. | 17967 |
32 |
| JSR Corporation | 2554 |
19 |
| Shin-Etsu Chemical Co., Ltd. | 6134 |
14 |
| DIC Corporation | 3992 |
12 |
| 3m Innovative Properties Company | 17445 |
10 |
| BASF SE | 21328 |
9 |
| Nippon Shokubai Co., Ltd. | 1535 |
8 |
| Tokyo Ohka Kogyo Co., Ltd. | 1561 |
8 |
| Nissan Chemical Corporation | 2266 |
8 |
| Denka Company Limited | 2757 |
7 |
| Nissan Chemical Industries, Ltd. | 1633 |
7 |
| Agc, Inc. | 5626 |
7 |
| Xerox Corporation | 4382 |
6 |
| Evonik Röhm GmbH | 380 |
6 |
| Sumitomo Chemical Company, Limited | 8967 |
6 |
| Construction Research & Technology GmbH | 599 |
6 |
| Osaka Organic Chemical Industry Ltd. | 142 |
6 |
| Sekisui Chemical Co., Ltd. | 3638 |
6 |
| Jicc-02 Co., Ltd. | 267 |
6 |
| Other owners | 301 |