- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 263/26 - Oxygen atoms attached in position 2 with hetero atoms or acyl radicals directly attached to the ring nitrogen atom
Patent holdings for IPC class C07D 263/26
Total number of patents in this class: 90
10-year publication summary
|
11
|
9
|
9
|
6
|
3
|
3
|
3
|
5
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corsair Pharma, Inc. | 37 |
12 |
| Corteva Agriscience LLC | 2648 |
9 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 873 |
5 |
| Ind-Swift Laboratories Limited | 49 |
3 |
| Kunming Institute of Zoology, Chinese Academy of Sciences | 42 |
3 |
| Merck Sharp & Dohme Corp. | 2183 |
2 |
| Gilead Sciences, Inc. | 2222 |
2 |
| Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.L.A. China | 174 |
2 |
| Zentiva k.s. | 566 |
2 |
| Zhejiang Ausun Pharmaceutical Co., Ltd. | 45 |
2 |
| Zhejiang Hisun Pharmaceutical Co., Ltd. | 300 |
2 |
| Pharmaresources (Shanghai) Co., Ltd. | 7 |
2 |
| F. Hoffmann-La Roche AG | 7837 |
1 |
| Hoffmann-La Roche Inc. | 3793 |
1 |
| The Regents of the University of California | 20745 |
1 |
| Genentech, Inc. | 4104 |
1 |
| E. I. du Pont de Nemours and Company | 3534 |
1 |
| Syngenta Participations AG | 1524 |
1 |
| Bayer Cropscience AG | 1844 |
1 |
| Alcon, Inc. | 5861 |
1 |
| Other owners | 36 |