- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 311/28 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 2 only
Patent holdings for IPC class C07D 311/28
Total number of patents in this class: 49
10-year publication summary
|
2
|
3
|
1
|
4
|
10
|
3
|
3
|
0
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Emory University | 1731 |
6 |
| President and Fellows of Harvard College | 6118 |
3 |
| Mayo Foundation for Medical Education and Research | 3423 |
3 |
| University of the Free State | 27 |
3 |
| Beijing Shenogen Pharma Group Ltd. | 20 |
2 |
| The Salk Institute for Biological Studies | 452 |
2 |
| Synesis LLC | 9 |
2 |
| Hoffmann-La Roche Inc. | 3864 |
1 |
| Ecole Nationale Superieure de Chimie de Montpellier | 239 |
1 |
| Firmenich SA | 1781 |
1 |
| General Mills, Inc. | 1039 |
1 |
| HerbalScience Group, LLC | 9 |
1 |
| Industry Foundation of Chonnam National University | 678 |
1 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 3325 |
1 |
| Interquim, S.A. | 50 |
1 |
| Konkuk University Industrial Cooperation Corp. | 337 |
1 |
| Nanyang Polytechnic | 91 |
1 |
| National University of Singapore | 2615 |
1 |
| Orsatec GmbH | 8 |
1 |
| Pharmatrophix, Inc. | 26 |
1 |
| Other owners | 15 |