- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 311/42 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4
Patent holdings for IPC class C07D 311/42
Total number of patents in this class: 16
10-year publication summary
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3
|
4
|
1
|
2
|
0
|
1
|
1
|
0
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0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson & Johnson Surgical Vision, Inc. | 939 |
3 |
| Merck Patent GmbH | 5735 |
2 |
| The Johns Hopkins University | 5907 |
2 |
| The Regents of the University of California | 20802 |
1 |
| E. I. du Pont de Nemours and Company | 3511 |
1 |
| University of Southern California | 2137 |
1 |
| AMO Ireland | 3 |
1 |
| Colby Pharmaceutical Company | 4 |
1 |
| Irm LLC | 126 |
1 |
| Lantheus Medical Imaging, Inc. | 166 |
1 |
| The Scripps Research Institute | 1346 |
1 |
| Zhejiang Beta Pharma Incorporation | 12 |
1 |
| Other owners | 0 |