- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/616 - Salicylic acidDerivatives thereof having the hydroxy group in position 2 esterified, e.g. salicylsulfuric acid by carboxylic acids, e.g. acetylsalicylic acid
Patent holdings for IPC class A61K 31/616
Total number of patents in this class: 755
10-year publication summary
|
85
|
92
|
81
|
84
|
68
|
69
|
64
|
60
|
50
|
55
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Infirst Healthcare Limited | 60 |
23 |
| Aspeya US Inc. | 24 |
21 |
| Murray and Poole Enterprises Limited | 26 |
15 |
| Theaprin Pharmaceuticals Inc. | 35 |
11 |
| The Procter & Gamble Company | 22006 |
9 |
| The Cleveland Clinic Foundation | 1571 |
8 |
| Textile-Based Delivery, Inc. | 24 |
8 |
| Aspiair GmbH | 12 |
8 |
| The Regents of the University of California | 20108 |
7 |
| Cereno Scientific AB | 21 |
7 |
| Jazz Pharmaceuticals Ireland Limited | 139 |
7 |
| Vitalis LLC | 14 |
7 |
| Wellesley Pharmaceuticals, LLC | 23 |
7 |
| Asamedic AS | 16 |
7 |
| Poviva Corp. | 53 |
7 |
| PLX Acquisition Company, LLC | 17 |
7 |
| Bayer AG | 3356 |
6 |
| Takeda Pharmaceutical Company Limited | 2710 |
6 |
| FP Nutraceuticals, LLC | 16 |
6 |
| AstraZeneca AB | 2886 |
5 |
| Other owners | 573 |