- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 220/28 - Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
Patent holdings for IPC class C08F 220/28
Total number of patents in this class: 1739
10-year publication summary
|
139
|
157
|
119
|
173
|
156
|
148
|
120
|
103
|
85
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30458 |
116 |
| Shin-Etsu Chemical Co., Ltd. | 6048 |
79 |
| JSR Corporation | 2547 |
47 |
| 3m Innovative Properties Company | 17497 |
41 |
| BASF SE | 21292 |
39 |
| Tokyo Ohka Kogyo Co., Ltd. | 1558 |
39 |
| LG Chem, Ltd. | 17929 |
34 |
| Sumitomo Chemical Company, Limited | 9016 |
27 |
| Nippon Shokubai Co., Ltd. | 1537 |
23 |
| Dow Global Technologies LLC | 10916 |
22 |
| Rohm and Haas Company | 2951 |
19 |
| Henkel AG & Co. KGaA | 10766 |
18 |
| DuPont Electronic Materials International, LLC | 425 |
17 |
| Mitsubishi Chemical Corporation | 4711 |
16 |
| Coatex S.A.S. | 210 |
16 |
| Samsung Display Co., Ltd. | 38470 |
14 |
| DIC Corporation | 3958 |
14 |
| Mitsubishi Gas Chemical Company, Inc. | 3614 |
14 |
| Arkema France | 4226 |
13 |
| Jicc-02 Co., Ltd. | 275 |
12 |
| Other owners | 1119 |