- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4458 - Non-condensed piperidines, e.g. piperocaine only substituted in position 2, e.g. methylphenidate
Patent holdings for IPC class A61K 31/4458
Total number of patents in this class: 448
10-year publication summary
|
62
|
52
|
56
|
56
|
47
|
39
|
21
|
20
|
17
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ironshore Pharmaceuticals & Development, Inc. | 37 |
26 |
| Tris Pharma, Inc. | 86 |
19 |
| Ohemo Life Sciences Inc | 23 |
18 |
| Purdue Pharma L.P. | 493 |
17 |
| InCarda Therapeutics, Inc. | 41 |
14 |
| Kaplan, Gilla | 15 |
14 |
| Medisca Pharmaceutique Inc. | 138 |
13 |
| Provident Bank | 44 |
10 |
| Clexio Biosciences Ltd. | 100 |
10 |
| Pacira Pharmaceuticals, Inc. | 120 |
8 |
| Commave Therapeutics SA | 18 |
8 |
| Amneal Complex Products Research LLC | 62 |
8 |
| Neos Therapeutics, LP | 22 |
7 |
| Heron Therapeutics, Inc. | 155 |
6 |
| Cingulate Therapeutics LLC | 15 |
5 |
| Incept LLC | 148 |
5 |
| Inserm (institut National de La Sante et de La Recherche Medicale) | 3337 |
5 |
| Purdue Pharma | 64 |
5 |
| Acella Holdings, LLC | 19 |
5 |
| The General Hospital Corporation | 4858 |
4 |
| Other owners | 241 |