- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 473/40 - Heterocyclic compounds containing purine ring systems with halogen atoms or perhalogeno-alkyl radicals directly attached in position 2 or 6
Patent holdings for IPC class C07D 473/40
Total number of patents in this class: 185
10-year publication summary
|
12
|
15
|
18
|
15
|
10
|
8
|
9
|
9
|
8
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vertex Pharmaceuticals Incorporated | 1597 |
8 |
| Sloan-Kettering Institute for Cancer Research | 516 |
6 |
| Rhizen Pharmaceuticals AG | 56 |
6 |
| Bayer Cropscience AG | 2035 |
5 |
| Gilead Sciences, Inc. | 2036 |
4 |
| Janssen Pharmaceutica N.V. | 3392 |
3 |
| Takeda Pharmaceutical Company Limited | 2713 |
3 |
| Calithera Biosciences, Inc. | 45 |
3 |
| Katholieke Universiteit Leuven | 1191 |
3 |
| Metabasis Therapeutics, Inc. | 41 |
3 |
| National University Corporation Kagawa University | 209 |
3 |
| The Research Foundation for The State University of New York | 1617 |
3 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2851 |
3 |
| University of Georgia Research Foundation, Inc. | 1027 |
3 |
| Impetis Biosciences Ltd. | 29 |
3 |
| Acea Therapeutics, Inc. | 29 |
3 |
| Merck Sharp & Dohme LLC | 3748 |
3 |
| Novartis AG | 10849 |
2 |
| F. Hoffmann-La Roche AG | 7925 |
2 |
| Syngenta Crop Protection AG | 6054 |
2 |
| Other owners | 114 |