- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 222/22 - Esters containing nitrogen
Patent holdings for IPC class C08F 222/22
Total number of patents in this class: 100
10-year publication summary
|
8
|
13
|
12
|
8
|
8
|
12
|
9
|
6
|
11
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29506 |
5 |
| ISP Investments Inc. | 459 |
4 |
| 3m Innovative Properties Company | 17812 |
3 |
| BASF SE | 20961 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 5680 |
3 |
| Stratasys Ltd. | 428 |
3 |
| Trustees of Dartmouth College | 1087 |
3 |
| Ricoh Company, Ltd. | 13292 |
2 |
| Cheil Industries Inc. | 849 |
2 |
| Hilti Aktiengesellschaft | 3503 |
2 |
| 3D Systems, Inc. | 594 |
2 |
| BL Technologies, Inc. | 836 |
2 |
| Changzhou University | 187 |
2 |
| Ivoclar Vivadent AG | 1053 |
2 |
| Sun Chemical B.V. | 364 |
2 |
| Tokyo Ohka Kogyo Co., Ltd. | 1545 |
2 |
| Zeon Corporation | 4078 |
2 |
| DuPont Electronics, Inc. | 378 |
2 |
| The Regents of the University of California | 20035 |
1 |
| Canon Inc. | 40280 |
1 |
| Other owners | 52 |