- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 311/20 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 hydrogenated in the hetero ring
Patent holdings for IPC class C07D 311/20
Total number of patents in this class: 137
10-year publication summary
|
7
|
8
|
9
|
7
|
4
|
7
|
8
|
6
|
3
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Johns Hopkins University | 5714 |
5 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 2904 |
5 |
| Fosun Orinove Pharmatech, Inc. | 13 |
5 |
| Mayo Foundation for Medical Education and Research | 3255 |
4 |
| University of Washington through its Center for Commercialization | 507 |
4 |
| Centre National de La Recherche Scientifique (cnrs) | 3101 |
4 |
| Celgene Corporation | 1396 |
3 |
| Centre hospitalier universitaire de Poitiers | 43 |
3 |
| Gilead Sciences, Inc. | 2056 |
3 |
| Universite de Poitiers | 188 |
3 |
| Translate bio, Inc. | 416 |
3 |
| Qlaris Bio, Inc. | 14 |
3 |
| Centre National de La Recherche Scientifique | 10564 |
2 |
| DSM IP Assets B.V. | 5572 |
2 |
| Advanced Liquid Logic, Inc. | 157 |
2 |
| Celgene Quanticel Research, Inc. | 163 |
2 |
| F.I.S. Fabbrica Italiana Sintetici S.p.A. | 129 |
2 |
| Macfarlan Smith Limited | 97 |
2 |
| Merial Limited | 113 |
2 |
| Nsab, Filial AF Neurosearch Sweden AB, Sverige | 11 |
2 |
| Other owners | 76 |