- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 215/233 - Oxygen atoms attached in position 2 or 4 only one oxygen atom which is attached in position 4
Patent holdings for IPC class C07D 215/233
Total number of patents in this class: 407
10-year publication summary
|
22
|
24
|
19
|
31
|
38
|
24
|
44
|
31
|
21
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Exelixis, Inc. | 394 |
37 |
| Vertex Pharmaceuticals Incorporated | 1579 |
17 |
| Flare Therapeutics Inc. | 36 |
14 |
| MSN Laboratories Private Limited, R&D Center | 115 |
7 |
| Oregon Health & Science University | 755 |
6 |
| Handa Oncology, LLC | 24 |
6 |
| Flexus Biosciences, Inc. | 13 |
5 |
| Les Laboratoires Servier | 497 |
5 |
| Vernalis (R&D) Limited | 123 |
5 |
| University of South Florida | 1883 |
4 |
| Beijing Konruns Pharmaceutical Co., Ltd. | 19 |
4 |
| China Medical University | 152 |
4 |
| Georgetown University | 628 |
4 |
| Indena S.p.A. | 597 |
4 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 874 |
4 |
| Deva Holdi̇ng Aş | 78 |
4 |
| Shenzhen Chipscreen Biosciences Co., Ltd. | 97 |
4 |
| Shanghai AB PharmaTech Ltd. | 6 |
4 |
| F. Hoffmann-La Roche AG | 7816 |
3 |
| Boehringer Ingelheim International GmbH | 4487 |
3 |
| Other owners | 263 |