- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 231/20 - One oxygen atom attached in position 3 or 5
Patent holdings for IPC class C07D 231/20
Total number of patents in this class: 413
10-year publication summary
|
18
|
23
|
23
|
23
|
22
|
23
|
18
|
19
|
24
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Theravance Biopharma R&D IP, LLC | 453 |
26 |
| Bayer Cropscience AG | 1983 |
18 |
| Vertex Pharmaceuticals Incorporated | 1630 |
15 |
| BASF SE | 21098 |
13 |
| Qingdao Kingagroot Chemical Compound Co., Ltd. | 181 |
12 |
| Bristol-myers Squibb Company | 4826 |
9 |
| Ishihara Sangyo Kaisha, Ltd. | 667 |
8 |
| Sumitomo Chemical Company, Limited | 9109 |
7 |
| ADAMA Agan Ltd. | 389 |
7 |
| Vanderbilt University | 1941 |
7 |
| Qingdao Kingagroot Chemical Compounds Co., Ltd | 9 |
7 |
| Eisai R&D Management Co., Ltd. | 1204 |
7 |
| Northwestern University | 3457 |
6 |
| Shionogi & Co., Ltd. | 836 |
6 |
| Wuhan Humanwell Innovative Drug Research and Development Center Limited Company | 126 |
6 |
| The Trustees of the University of Pennsylvania | 4390 |
5 |
| Takeda Pharmaceutical Company Limited | 2721 |
5 |
| FMC Corporation | 834 |
5 |
| Kumiai Chemical Industry Co., Ltd. | 315 |
5 |
| Nippon Soda Co., Ltd. | 892 |
5 |
| Other owners | 234 |