- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/21 - Esters, e.g. nitroglycerine, selenocyanates
Patent holdings for IPC class A61K 31/21
Total number of patents in this class: 526
10-year publication summary
45
|
50
|
29
|
28
|
38
|
29
|
18
|
17
|
23
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
G. Pohl-boskamp GmbH & Co. KG | 93 |
20 |
Zhejiang Kanglaite Group Co., Ltd. | 15 |
12 |
Nicox S.A. | 149 |
11 |
DSM IP Assets B.V. | 5856 |
10 |
Board of Regents, The University of Texas System | 5370 |
10 |
The Trustees of the University of Pennsylvania | 4122 |
9 |
Allergan, Inc. | 2600 |
6 |
The William M. Yarbrough Foundation | 85 |
6 |
Reata Pharmaceuticals Holdings, LLC | 42 |
6 |
Rush University Medical Center | 307 |
5 |
Guangzhou Magpie Pharmaceuticals Co., Ltd. | 25 |
5 |
Theravance Biopharma R&D IP, LLC | 550 |
5 |
Société des Produits Nestlé S.A. | 9672 |
4 |
The Regents of the University of California | 18943 |
4 |
Biosuccess Biotech Co. Ltd. | 24 |
4 |
National Jewish Health | 157 |
4 |
Propanc Pty Ltd | 13 |
4 |
Onquality Pharmaceuticals China Ltd. | 15 |
4 |
Novartis AG | 11238 |
3 |
University of South Florida | 1817 |
3 |
Other owners | 391 |