- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 311/48 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring with two such benzopyran radicals linked together by a carbon chain
Patent holdings for IPC class C07D 311/48
Total number of patents in this class: 3
10-year publication summary
|
0
|
1
|
0
|
1
|
0
|
0
|
1
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Godavari Biorefineries Limited | 40 |
2 |
| Ewha University-industry Collaboration Foundation | 749 |
1 |
| Other owners | 0 |