- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 209/66 - Naphtho [c] pyrroles; Hydrogenated naphtho [c] pyrroles with oxygen atoms in positions 1 and 3
Patent holdings for IPC class C07D 209/66
Total number of patents in this class: 22
10-year publication summary
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2
|
1
|
0
|
1
|
0
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1
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1
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1
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1
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Glaxo Group Limited | 4496 |
7 |
| Zeon Corporation | 3854 |
3 |
| Amgen Inc. | 3779 |
2 |
| King Abdullah University of Science and Technology | 1703 |
2 |
| University of South Florida | 1817 |
1 |
| Pfizer Products Inc. | 471 |
1 |
| San-Apro Limited | 73 |
1 |
| Xiangbei Welman Pharmaceutical Co., Ltd. | 28 |
1 |
| Nanjing Kangfushun Pharmaceutical Co., Ltd. | 21 |
1 |
| Guangzhou Century Clinical Research Co., Ltd | 21 |
1 |
| Guangzhou Xin-chuangyi Biopharmaceutical Co., Ltd | 19 |
1 |
| Guangzhou Xin Chuang Yi Co., Ltd | 4 |
1 |
| Other owners | 0 |