- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 473/16 - Heterocyclic compounds containing purine ring systems with oxygen, sulfur, or nitrogen atoms directly attached in positions 2 and 6 two nitrogen atoms
Patent holdings for IPC class C07D 473/16
Total number of patents in this class: 323
10-year publication summary
|
18
|
23
|
20
|
24
|
16
|
14
|
13
|
14
|
10
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10849 |
17 |
| Cyclacel Limited | 64 |
10 |
| Univerzita Palackeho V Olomouci | 135 |
10 |
| Glaxosmithkline LLC | 537 |
9 |
| F. Hoffmann-La Roche AG | 7925 |
9 |
| AstraZeneca AB | 2909 |
9 |
| Dana-Farber Cancer Institute, Inc. | 2571 |
8 |
| Dainippon Sumitomo Pharma Co., Ltd. | 194 |
7 |
| Gilead Sciences, Inc. | 2036 |
7 |
| Neurosearch A/S | 185 |
6 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3151 |
5 |
| The Regents of the University of California | 19918 |
4 |
| Board of Regents, The University of Texas System | 5793 |
4 |
| Incyte Corporation | 1024 |
4 |
| National Health Research Institutes | 325 |
4 |
| Rigel Pharmaceuticals, Inc. | 539 |
4 |
| The Scripps Research Institute | 1346 |
4 |
| Halda Therapeutics OpCo, Inc. | 28 |
4 |
| The Royal Institution for The Advancement of Learning / McGill University | 689 |
4 |
| Hoffmann-La Roche Inc. | 3418 |
3 |
| Other owners | 191 |