- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 251/44 - One nitrogen atom with halogen atoms attached to the two other ring carbon atoms
Patent holdings for IPC class C07D 251/44
Total number of patents in this class: 22
10-year publication summary
|
1
|
3
|
0
|
1
|
1
|
2
|
1
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Clariant Finance (BVI) Limited | 387 |
5 |
| The Regents of the University of California | 19929 |
2 |
| Bayer Intellectual Property GmbH | 2496 |
2 |
| Stahl International B.V. | 284 |
2 |
| Kao Corporation | 4962 |
1 |
| Dalian University of Technology | 1520 |
1 |
| Nissan Chemical Industries, Ltd. | 1717 |
1 |
| Shenzhen University | 1643 |
1 |
| Shionogi & Co., Ltd. | 853 |
1 |
| Soochow University | 1738 |
1 |
| Crossing SRL | 10 |
1 |
| Shaanxi University of Science and Technology | 54 |
1 |
| Enalare Therapeutics LLC | 2 |
1 |
| Jiangsu Danmao Textile Co., Ltd. | 3 |
1 |
| Nantong Textile and Silk Industrial Technology Research Institute | 23 |
1 |
| Other owners | 0 |