- 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: 748
10-year publication summary
|
93
|
99
|
91
|
93
|
74
|
74
|
68
|
61
|
50
|
46
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Infirst Healthcare Limited | 61 |
23 |
| Aspeya US Inc. | 22 |
19 |
| Murray and Poole Enterprises Limited | 25 |
14 |
| Theaprin Pharmaceuticals Inc. | 36 |
12 |
| The Procter & Gamble Company | 22043 |
9 |
| The Cleveland Clinic Foundation | 1570 |
8 |
| Textile-Based Delivery, Inc. | 24 |
8 |
| Aspiair GmbH | 12 |
8 |
| The Regents of the University of California | 19929 |
7 |
| Cereno Scientific AB | 21 |
7 |
| Jazz Pharmaceuticals Ireland Limited | 145 |
7 |
| Vitalis LLC | 14 |
7 |
| Wellesley Pharmaceuticals, LLC | 23 |
7 |
| Asamedic AS | 16 |
7 |
| Poviva Corp. | 52 |
7 |
| PLX Acquisition Company, LLC | 17 |
7 |
| Bayer AG | 3331 |
6 |
| Takeda Pharmaceutical Company Limited | 2709 |
6 |
| Otitopic Inc. | 12 |
6 |
| FP Nutraceuticals, LLC | 16 |
6 |
| Other owners | 567 |