- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 311/66 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulfur atoms in position 2 or 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 311/66
Total number of patents in this class: 61
10-year publication summary
|
1
|
3
|
8
|
1
|
7
|
4
|
2
|
4
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| PTC Therapeutics, Inc. | 476 |
8 |
| Sulfateq B.V. | 30 |
6 |
| Abbvie Inc. | 1837 |
5 |
| Calico Life Sciences LLC | 106 |
5 |
| Khondrion IP B.V. | 21 |
4 |
| ZaCh System | 11 |
3 |
| IsoPlexis Corporation | 118 |
2 |
| Mitsubishi Gas Chemical Company, Inc. | 3599 |
2 |
| Rijksuniversiteit Groningen | 311 |
2 |
| Universite Claude Bernard Lyon 1 | 1068 |
2 |
| Universite Grenoble Alpes | 767 |
2 |
| Wyeth | 213 |
2 |
| Centre National de La Recherche Scientifique | 10914 |
1 |
| Askat Inc. | 49 |
1 |
| Cadila Pharmaceuticals Limited | 55 |
1 |
| Denali Therapeutics Inc. | 261 |
1 |
| Khondiron IP B.V. | 1 |
1 |
| Stealth Peptides International, Inc. | 31 |
1 |
| Sumitomo Dainippon Pharma Co., Ltd. | 211 |
1 |
| Teva Pharmaceuticals International GmbH | 324 |
1 |
| Other owners | 10 |