- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4741 - QuinolinesIsoquinolines ortho- or peri-condensed with heterocyclic ring systems condensed with ring systems having oxygen as a ring hetero atom, e.g. tubocuraran derivatives, noscapine, bicuculline
Patent holdings for IPC class A61K 31/4741
Total number of patents in this class: 494
10-year publication summary
|
48
|
21
|
30
|
39
|
33
|
45
|
25
|
43
|
36
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2856 |
17 |
| H4 Orphan Pharma | 10 |
10 |
| The Regents of the University of California | 19943 |
9 |
| Purdue Research Foundation | 3619 |
8 |
| Florida State University Research Foundation, Inc. | 749 |
8 |
| Gilead Sciences, Inc. | 2038 |
8 |
| Eli Lilly and Company | 3848 |
7 |
| Shanghai Hengrui Pharmaceutical Co., Ltd. | 645 |
7 |
| vTv Therapeutics LLC | 151 |
7 |
| The Trustees of the University of Pennsylvania | 4329 |
6 |
| CBA Pharma, Inc. | 14 |
6 |
| Jiangsu Hengrui Medicine Co., Ltd. | 706 |
6 |
| Trustees of Boston University | 978 |
6 |
| H. Lundbeck A/S | 1247 |
6 |
| Algernon Pharmaceuticals Inc. | 23 |
6 |
| Boehringer Ingelheim International GmbH | 4644 |
5 |
| Arbutus Biopharma Corporation | 177 |
5 |
| Emory University | 1631 |
5 |
| Mitotech SA | 31 |
5 |
| BASF SE | 20915 |
4 |
| Other owners | 353 |