- All sections
- C - Chemistry; metallurgy
- 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: 1564
10-year publication summary
|
92
|
111
|
139
|
157
|
118
|
172
|
152
|
139
|
116
|
29
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
108 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
69 |
| Tokyo Ohka Kogyo Co., Ltd. | 1481 |
50 |
| JSR Corporation | 2476 |
49 |
| BASF SE | 19740 |
37 |
| 3m Innovative Properties Company | 18406 |
36 |
| LG Chem, Ltd. | 17205 |
31 |
| Sumitomo Chemical Company, Limited | 8808 |
27 |
| Dow Global Technologies LLC | 10147 |
21 |
| Nippon Shokubai Co., Ltd. | 1487 |
21 |
| Mitsubishi Chemical Corporation | 4313 |
19 |
| Coatex S.A.S. | 231 |
19 |
| Rohm and Haas Company | 2805 |
17 |
| Rohm and Haas Electronic Materials LLC | 637 |
16 |
| Henkel AG & Co. KGaA | 10129 |
15 |
| DIC Corporation | 3597 |
14 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
12 |
| Sika Technology AG | 2650 |
12 |
| Daikin Industries, Ltd. | 9495 |
11 |
| Arkema France | 3790 |
11 |
| Other owners | 969 |