- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 311/24 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
Patent holdings for IPC class C07D 311/24
Total number of patents in this class: 76
10-year publication summary
|
5
|
3
|
4
|
7
|
8
|
4
|
4
|
4
|
5
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The General Hospital Corporation | 4650 |
15 |
| Abbvie Inc. | 1782 |
5 |
| Calico Life Sciences LLC | 82 |
5 |
| Aztherapies, Inc. | 20 |
3 |
| Buck Institute for Research on Aging | 126 |
3 |
| Council of Scientific & Industrial Research | 1409 |
3 |
| Toyama Chemical Co., Ltd. | 108 |
3 |
| Bristol-myers Squibb Company | 4863 |
2 |
| Hoffmann-La Roche Inc. | 3267 |
2 |
| Duke University | 3011 |
2 |
| Lupin Limited | 441 |
2 |
| University of Dundee | 203 |
2 |
| Sygnature Discovery Ltd | 8 |
2 |
| F. Hoffmann-La Roche AG | 7942 |
1 |
| AstraZeneca AB | 2958 |
1 |
| Merck Patent GmbH | 5842 |
1 |
| Centre National de La Recherche Scientifique | 10102 |
1 |
| FUJIFILM Corporation | 28805 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10692 |
1 |
| Academisch Ziekenhuis Maastricht | 179 |
1 |
| Other owners | 20 |