- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 311/12 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 3 and unsubstituted in position 7
Patent holdings for IPC class C07D 311/12
Total number of patents in this class: 64
10-year publication summary
|
4
|
4
|
5
|
5
|
4
|
1
|
5
|
4
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BioMarin Pharmaceutical Inc. | 377 |
4 |
| Fosun Orinove Pharmatech, Inc. | 16 |
4 |
| Centre National de La Recherche Scientifique | 10188 |
3 |
| Universite de Liege | 259 |
3 |
| Universite Pierre et Marie Curie (Paris 6) | 543 |
3 |
| Merck Patent GmbH | 5877 |
2 |
| Creative Therapeutics GmbH | 4 |
2 |
| Inserm (institut National de La Sante et de La Recherche Medicale) | 3366 |
2 |
| Phoenicia Biosciences, Inc. | 5 |
2 |
| Regents of the University of Minnesota | 2686 |
2 |
| San-Apro Limited | 77 |
2 |
| Sorbonne Universite | 1214 |
2 |
| Universite de Paris | 197 |
2 |
| The Regents of the University of California | 19654 |
1 |
| FUJIFILM Corporation | 28939 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10729 |
1 |
| University of Florida Research Foundation, Inc. | 3976 |
1 |
| Bezwada Biomedical, LLC | 48 |
1 |
| BIAL - Portela & CA, S.A. | 239 |
1 |
| Biosearch Technologies, Inc. | 60 |
1 |
| Other owners | 24 |