- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/23 - Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acyclic acids, e.g. pravastatin of acids having a carboxyl group bound to a chain of seven or more carbon atoms
Patent holdings for IPC class A61K 31/23
Total number of patents in this class: 872
10-year publication summary
|
66
|
76
|
67
|
78
|
69
|
72
|
71
|
55
|
56
|
36
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Société des Produits Nestlé S.A. | 9329 |
31 |
| The Nisshin OilliO Group, Ltd. | 449 |
21 |
| Biosuccess Biotech Co. Ltd. | 25 |
15 |
| Cerecin Inc. | 46 |
12 |
| Enzychem Lifesciences Corporation | 64 |
11 |
| Enzymotec Ltd. | 38 |
11 |
| Meiji Co., Ltd. | 735 |
11 |
| Ajinomoto Co., Inc. | 2306 |
10 |
| Purac Biochem B.V. | 485 |
10 |
| Hennepin Life Sciences, LLC | 12 |
10 |
| ENA Respiratory Pty Ltd | 20 |
10 |
| Aker Biomarine Human Ingredients AS | 96 |
10 |
| New Frontier Labs, LLC | 13 |
9 |
| DSM IP Assets B.V. | 5572 |
8 |
| University of South Florida | 1842 |
8 |
| N.V. Nutricia | 1065 |
8 |
| Pharmanutra SpA | 150 |
8 |
| Symrise AG | 1749 |
8 |
| The Regents of the University of California | 20153 |
6 |
| BioResponse, L.L.C. | 27 |
6 |
| Other owners | 649 |