- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 221/26 - Benzomorphans
Patent holdings for IPC class C07D 221/26
Total number of patents in this class: 45
10-year publication summary
|
4
|
3
|
2
|
2
|
1
|
0
|
0
|
2
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rensselaer Polytechnic Institute | 848 |
11 |
| Purdue Pharma L.P. | 495 |
8 |
| Boehringer Ingelheim International GmbH | 4552 |
6 |
| Alkermes Pharma Ireland Limited | 256 |
5 |
| Nektar Therapeutics | 427 |
3 |
| Board of Regents, The University of Texas System | 6018 |
2 |
| Alkermes, Inc. | 137 |
2 |
| Novartis AG | 10376 |
1 |
| Almirall, S.A. | 489 |
1 |
| Nektar Therapeutics (India) Pvt. Ltd. | 5 |
1 |
| Progenics Pharmaceuticals, Inc. | 130 |
1 |
| Signature Therapeutics, Inc. | 37 |
1 |
| Kappa-Pharma LLC | 4 |
1 |
| NEKTAR THERAPEUTICS(Incorporated under the Laws of Delaware and domiclled in the State of California) | 1 |
1 |
| Anhui Healstar Pharmaceutical Co., Ltd | 3 |
1 |
| Other owners | 0 |