- 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: 1766
10-year publication summary
|
139
|
157
|
119
|
173
|
156
|
148
|
121
|
104
|
86
|
60
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30866 |
116 |
| Shin-Etsu Chemical Co., Ltd. | 6186 |
79 |
| JSR Corporation | 2565 |
48 |
| 3m Innovative Properties Company | 17463 |
42 |
| Tokyo Ohka Kogyo Co., Ltd. | 1556 |
41 |
| BASF SE | 21339 |
39 |
| LG Chem, Ltd. | 18005 |
34 |
| Sumitomo Chemical Company, Limited | 8992 |
27 |
| Nippon Shokubai Co., Ltd. | 1528 |
23 |
| Dow Global Technologies LLC | 11106 |
22 |
| Rohm and Haas Company | 2952 |
19 |
| Henkel AG & Co. KGaA | 10813 |
18 |
| DuPont Electronic Materials International, LLC | 431 |
17 |
| Mitsubishi Chemical Corporation | 4774 |
16 |
| Samsung Display Co., Ltd. | 39369 |
15 |
| Arkema France | 4238 |
14 |
| Coatex S.A.S. | 208 |
14 |
| DIC Corporation | 4008 |
14 |
| Mitsubishi Gas Chemical Company, Inc. | 3663 |
14 |
| Nissan Chemical Corporation | 2310 |
12 |
| Other owners | 1142 |