- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 50/28 - Quinones containing groups having oxygen atoms singly bound to carbon atoms with monocyclic quinoid structure
Patent holdings for IPC class C07C 50/28
Total number of patents in this class: 98
10-year publication summary
|
4
|
4
|
8
|
10
|
12
|
12
|
6
|
7
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4768 |
9 |
| PTC Therapeutics, Inc. | 469 |
9 |
| Exerkine Corporation | 38 |
7 |
| Stealth Biotherapeutics Inc. | 195 |
6 |
| Sun Pharmaceutical Industries Inc | 239 |
3 |
| Sun Pharmaceuticals Industries Inc. | 21 |
3 |
| Inner Mongolia Kingdomway Pharmaceutical Limited | 14 |
2 |
| LTT Bio-Pharma Co., Ltd. | 45 |
2 |
| Next Remedies Inc. | 3 |
2 |
| Santhera Pharmaceuticals (Schweiz) AG | 32 |
2 |
| Xiamen Kingdomway Group Company | 51 |
2 |
| Zhejiang Nhu Company Limited | 195 |
2 |
| Emerald Health Pharmaceuticals Inc. | 12 |
2 |
| Heilongjiang Nhu Biotechnology Company Ltd. | 9 |
2 |
| Center for Intelligent Research in Crystal Engineering, S.L. | 21 |
2 |
| The Royal Institution for The Advancement of Learning / McGill University | 716 |
2 |
| Musashino University | 8 |
2 |
| Micillic Lda | 3 |
2 |
| Azalla Pharma, Inc. | 4 |
2 |
| Aoyama Gakuin Educational Foundation | 4 |
1 |
| Other owners | 34 |