- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 231/26 - 1-Phenyl-3-methyl-5- pyrazolones, unsubstituted or substituted on the phenyl ring
Patent holdings for IPC class C07D 231/26
Total number of patents in this class: 42
10-year publication summary
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2
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2
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4
|
3
|
2
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5
|
2
|
4
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3
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novaled GmbH | 489 |
5 |
| Epivario Inc. | 6 |
3 |
| Ligand Pharmaceuticals Incorporated | 168 |
2 |
| Mitsubishi Tanabe Pharma Corporation | 398 |
2 |
| University of Manitoba | 443 |
2 |
| Zhejiang University | 3462 |
2 |
| Metabomed Ltd. | 11 |
2 |
| The Regents of the University of California | 20815 |
1 |
| Kaneka Corporation | 4732 |
1 |
| Takeda Pharmaceutical Company Limited | 2700 |
1 |
| Terumo Kabushiki Kaisha | 5834 |
1 |
| Brown University | 688 |
1 |
| China Pharmaceutical University | 360 |
1 |
| Jiangsu Hengrui Medicine Co., Ltd. | 686 |
1 |
| Jiangsu Simcere Pharmaceutical Co., Ltd | 126 |
1 |
| Johnson Matthey Public Limited Company | 1763 |
1 |
| Laboratorios Del Dr. Esteve, S.A. | 143 |
1 |
| NanTong Acetic Acid Chemical Co., Ltd. | 9 |
1 |
| Shanghai Hengrui Pharmaceutical Co., Ltd. | 719 |
1 |
| Shionogi Inc. | 42 |
1 |
| Other owners | 11 |