- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 220/40 - Esters of unsaturated alcohols
Patent holdings for IPC class C08F 220/40
Total number of patents in this class: 123
10-year publication summary
|
7
|
5
|
3
|
9
|
8
|
17
|
15
|
8
|
9
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rohm and Haas Company | 2916 |
13 |
| LG Chem, Ltd. | 17581 |
9 |
| Shin-Etsu Chemical Co., Ltd. | 5615 |
6 |
| Johnson & Johnson Surgical Vision, Inc. | 945 |
6 |
| FUJIFILM Corporation | 29273 |
5 |
| Dow Silicones Corporation | 1904 |
5 |
| Dow Global Technologies LLC | 10385 |
4 |
| Mitsubishi Chemical Corporation | 4488 |
4 |
| Tokyo Ohka Kogyo Co., Ltd. | 1537 |
4 |
| Canon Inc. | 39618 |
3 |
| Arkema France | 4036 |
3 |
| Kuraray Co., Ltd. | 3496 |
3 |
| Evonik Röhm GmbH | 441 |
2 |
| National University Corporation University of Toyama | 168 |
2 |
| Nissan Chemical Corporation | 1989 |
2 |
| Unilever PLC | 3215 |
1 |
| Unilever N.V. | 3122 |
1 |
| BASF SE | 20874 |
1 |
| The Regents of the University of California | 19859 |
1 |
| Columbia Insurance Company | 1507 |
1 |
| Other owners | 47 |