- 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: 183
10-year publication summary
|
15
|
18
|
15
|
10
|
8
|
9
|
10
|
8
|
9
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vertex Pharmaceuticals Incorporated | 1595 |
8 |
| Sloan-Kettering Institute for Cancer Research | 591 |
6 |
| Rhizen Pharmaceuticals AG | 57 |
6 |
| Bayer Cropscience AG | 1882 |
5 |
| Gilead Sciences, Inc. | 2190 |
4 |
| Janssen Pharmaceutica N.V. | 3226 |
3 |
| Takeda Pharmaceutical Company Limited | 2716 |
3 |
| Calithera Biosciences, Inc. | 38 |
3 |
| Metabasis Therapeutics, Inc. | 39 |
3 |
| National University Corporation Kagawa University | 208 |
3 |
| The Research Foundation for The State University of New York | 1717 |
3 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2976 |
3 |
| University of Georgia Research Foundation, Inc. | 1067 |
3 |
| Impetis Biosciences Ltd. | 30 |
3 |
| Acea Therapeutics, Inc. | 31 |
3 |
| Merck Sharp & Dohme LLC | 3732 |
3 |
| Novartis AG | 10341 |
2 |
| F. Hoffmann-La Roche AG | 7841 |
2 |
| Syngenta Crop Protection AG | 6537 |
2 |
| Centre National de La Recherche Scientifique | 10895 |
2 |
| Other owners | 113 |