- All sections
- C - Chemistry; metallurgy
- 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: 96
10-year publication summary
|
5
|
8
|
4
|
4
|
8
|
10
|
12
|
12
|
6
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| PTC Therapeutics, Inc. | 492 |
9 |
| Kaneka Corporation | 4445 |
7 |
| Exerkine Corporation | 32 |
5 |
| Stealth Biotherapeutics Inc. | 143 |
5 |
| Next Remedies Inc. | 15 |
4 |
| Sun Pharmaceutical Industries Inc | 151 |
3 |
| Emerald Health Pharmaceuticals Inc. | 17 |
3 |
| Sun Pharmaceuticals Industries Inc. | 16 |
3 |
| Canopy Growth Corporation | 270 |
2 |
| Inner Mongolia Kingdomway Pharmaceutical Limited | 14 |
2 |
| LTT Bio-Pharma Co., Ltd. | 46 |
2 |
| National Research Council of Canada | 1545 |
2 |
| Santhera Pharmaceuticals (Schweiz) AG | 51 |
2 |
| Xiamen Kingdomway Group Company | 35 |
2 |
| Zhejiang Nhu Company Limited | 143 |
2 |
| Zymes, LLC | 10 |
2 |
| Juva Life, Inc. | 20 |
2 |
| Heilongjiang Nhu Biotechnology Company Ltd. | 9 |
2 |
| Center for Intelligent Research in Crystal Engineering, S.L. | 18 |
2 |
| The Royal Institution for The Advancement of Learning / McGill University | 622 |
2 |
| Other owners | 33 |