- 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: 380
10-year publication summary
|
18
|
21
|
22
|
17
|
26
|
31
|
20
|
38
|
27
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Exelixis, Inc. | 400 |
35 |
| Vertex Pharmaceuticals Incorporated | 1623 |
17 |
| Flare Therapeutics Inc. | 31 |
13 |
| Flexus Biosciences, Inc. | 13 |
5 |
| Oregon Health & Science University | 766 |
5 |
| Vernalis (R&D) Limited | 134 |
5 |
| University of South Florida | 1837 |
4 |
| Beijing Konruns Pharmaceutical Co., Ltd. | 15 |
4 |
| China Medical University | 138 |
4 |
| Georgetown University | 613 |
4 |
| Indena S.p.A. | 623 |
4 |
| Les Laboratoires Servier | 535 |
4 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 833 |
4 |
| VIR Biotechnology, Inc. | 145 |
4 |
| Shenzhen Chipscreen Biosciences Co., Ltd. | 90 |
4 |
| MSN Laboratories Private Limited, R&D Center | 104 |
4 |
| Shanghai AB PharmaTech Ltd. | 6 |
4 |
| F. Hoffmann-La Roche AG | 7941 |
3 |
| Boehringer Ingelheim International GmbH | 4642 |
3 |
| National Taiwan University | 1233 |
3 |
| Other owners | 247 |