- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/223 - Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acyclic acids, e.g. pravastatin of alpha-amino acids
Patent holdings for IPC class A61K 31/223
Total number of patents in this class: 304
10-year publication summary
|
15
|
27
|
26
|
20
|
22
|
27
|
26
|
19
|
15
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Run Them Sweet, LLC | 19 |
7 |
| University of Mississippi | 156 |
7 |
| Vector Vitale IP LLC | 47 |
7 |
| SK Biopharmaceuticals Co., Ltd. | 262 |
6 |
| The Johns Hopkins University | 5714 |
5 |
| Bioprojet | 42 |
5 |
| Navitor Pharmaceuticals, Inc. | 33 |
5 |
| Oral Delivery Technology Ltd. | 6 |
5 |
| Oncopeptides Innovation AB | 26 |
5 |
| Société des Produits Nestlé S.A. | 9330 |
4 |
| The Regents of the University of California | 20108 |
4 |
| Baylor College of Medicine | 962 |
4 |
| Dompé Farmaceutici S.p.A. | 272 |
4 |
| Enanta Pharmaceuticals, Inc. | 431 |
4 |
| Kura Oncology, Inc. | 115 |
4 |
| Kyoto University | 2828 |
4 |
| Merck Patent GmbH | 5767 |
3 |
| Ajinomoto Co., Inc. | 2301 |
3 |
| Case Western Reserve University | 1841 |
3 |
| Evologie, LLC | 9 |
3 |
| Other owners | 212 |