- All sections
- C - Chemistry; metallurgy
- 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: 513
10-year publication summary
|
40
|
33
|
47
|
28
|
30
|
28
|
30
|
27
|
18
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
55 |
| LG Chem, Ltd. | 17205 |
32 |
| JSR Corporation | 2476 |
18 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
12 |
| 3m Innovative Properties Company | 18406 |
11 |
| DIC Corporation | 3597 |
11 |
| BASF SE | 19740 |
9 |
| Nippon Shokubai Co., Ltd. | 1487 |
9 |
| Key Medical Technologies, Inc. | 29 |
7 |
| Nissan Chemical Industries, Ltd. | 1822 |
7 |
| Nissan Chemical Corporation | 1725 |
7 |
| Xerox Corporation | 7503 |
6 |
| Evonik Röhm GmbH | 452 |
6 |
| Sumitomo Chemical Company, Limited | 8808 |
6 |
| Construction Research & Technology GmbH | 640 |
6 |
| Denka Company Limited | 2189 |
6 |
| Tokyo Ohka Kogyo Co., Ltd. | 1481 |
6 |
| Daikin Industries, Ltd. | 9495 |
5 |
| Mitsui Chemicals, Inc. | 3134 |
5 |
| Sekisui Chemical Co., Ltd. | 3159 |
5 |
| Other owners | 284 |