- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 311/70 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulfur atoms in position 2 or 4 with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6
Patent holdings for IPC class C07D 311/70
Total number of patents in this class: 50
10-year publication summary
|
3
|
1
|
3
|
3
|
8
|
1
|
3
|
0
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DSM IP Assets B.V. | 5387 |
3 |
| Mayo Foundation for Medical Education and Research | 3408 |
3 |
| Bristol-myers Squibb Company | 4757 |
2 |
| Abbvie Inc. | 1800 |
2 |
| The Board of Regents for Oklahoma State University | 148 |
2 |
| First Tech International Limited | 8 |
2 |
| Nissan Chemical Industries, Ltd. | 1630 |
2 |
| Queen's University at Kingston | 549 |
2 |
| Regents of the University of Minnesota | 2809 |
2 |
| Seragon Pharmaceuticals, Inc. | 43 |
2 |
| Purisys LLC | 23 |
2 |
| Metrion Biosciences Limited | 8 |
2 |
| The Regents of the University of California | 20902 |
1 |
| Merck Patent GmbH | 5747 |
1 |
| AbbVie S.á.r.l. | 27 |
1 |
| AMOREPACIFIC Corporation | 2913 |
1 |
| Aoyama Gakuin Educational Foundation | 4 |
1 |
| Chemtor, LP | 66 |
1 |
| Emory University | 1727 |
1 |
| Galapagos NV | 216 |
1 |
| Other owners | 16 |