- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 311/18 - 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 otherwise than in position 3 or 7
Patent holdings for IPC class C07D 311/18
Total number of patents in this class: 119
10-year publication summary
|
8
|
6
|
7
|
7
|
9
|
5
|
7
|
8
|
6
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Provost, Fellows, Foundation Scholars, and The Other Members of Board, of The College of The Holy and Undivided Trinity of Queen Elizabeth, Near Dublin | 157 |
5 |
| The University of Queensland | 666 |
5 |
| Merck Patent GmbH | 5909 |
4 |
| Allergan, Inc. | 2600 |
3 |
| The General Hospital Corporation | 4517 |
3 |
| Advanced Liquid Logic, Inc. | 156 |
3 |
| Chugai Seiyaku Kabushiki Kaisha | 1259 |
3 |
| Lead Discovery Center GmbH | 55 |
3 |
| NoNO Inc. | 88 |
3 |
| Novartis AG | 11238 |
2 |
| F. Hoffmann-La Roche AG | 7958 |
2 |
| The Regents of the University of California | 18943 |
2 |
| The Johns Hopkins University | 5377 |
2 |
| The Broad Institute, Inc. | 1584 |
2 |
| Gachon University of Industry-academic Cooperation Foundation | 263 |
2 |
| H. Lee Moffitt Cancer Center and Research Institute, Inc. | 829 |
2 |
| Indiana University Research & Technology Corporation | 151 |
2 |
| Nippon Zoki Pharmaceutical Co., Ltd. | 155 |
2 |
| PTC Therapeutics, Inc. | 492 |
2 |
| Sakai Toshiyuki | 4 |
2 |
| Other owners | 65 |