- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/451 - Non-condensed piperidines, e.g. piperocaine having a carbocyclic ring directly attached to the heterocyclic ring, e.g. glutethimide, meperidine, loperamide, phencyclidine, piminodine
Patent holdings for IPC class A61K 31/451
Total number of patents in this class: 952
10-year publication summary
|
71
|
81
|
88
|
72
|
100
|
88
|
70
|
65
|
60
|
49
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Prilenia Neurotherapeutics Ltd. | 100 |
71 |
| ChemoCentryx, Inc. | 361 |
35 |
| Pacira Pharmaceuticals, Inc. | 120 |
17 |
| Amgen Inc. | 4445 |
15 |
| Takeda Pharmaceutical Company Limited | 2698 |
14 |
| H. Lundbeck A/S | 1242 |
14 |
| Bristol-myers Squibb Company | 4757 |
13 |
| Kartos Therapeutics, Inc. | 21 |
13 |
| AstraZeneca AB | 2817 |
10 |
| Teoxane | 49 |
10 |
| Teva Pharmaceuticals USA, Inc. | 626 |
9 |
| The Regents of the University of California | 20868 |
8 |
| Purdue Pharma L.P. | 433 |
8 |
| Remedy Pharmaceuticals, Inc. | 57 |
8 |
| Teva Pharmaceuticals International GmbH | 326 |
8 |
| The University of Chicago | 1504 |
8 |
| Janssen Pharmaceutica N.V. | 3150 |
7 |
| Azurity Pharmaceuticals, Inc. | 265 |
7 |
| Novartis AG | 10174 |
6 |
| Centre National de La Recherche Scientifique | 11092 |
6 |
| Other owners | 665 |