- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/231 - 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 having one or two double bonds
Patent holdings for IPC class A61K 31/231
Total number of patents in this class: 460
10-year publication summary
|
27
|
36
|
34
|
34
|
46
|
36
|
18
|
27
|
15
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Enzychem Lifesciences Corporation | 61 |
25 |
| Société des Produits Nestlé S.A. | 10044 |
17 |
| Biojiva LLC | 57 |
10 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3322 |
9 |
| Tersus Life Sciences, LLC | 17 |
8 |
| Nuseed Nutritional Australia Pty Ltd | 53 |
8 |
| Korea Research Institute of Bioscience and Biotechnology | 1063 |
7 |
| Pharmanutra SpA | 169 |
7 |
| Centre National de La Recherche Scientifique | 11055 |
6 |
| Alastin Skincare, Inc. | 96 |
6 |
| Ajinomoto Co., Inc. | 2280 |
5 |
| Grains Research and Development Corporation | 91 |
5 |
| Nippon Suisan Kaisha, Ltd. | 190 |
5 |
| The Nisshin OilliO Group, Ltd. | 448 |
5 |
| Universite de Poitiers | 191 |
5 |
| University of Wyoming | 389 |
5 |
| Boehringer Ingelheim Animal Health USA Inc. | 417 |
5 |
| Kao Corporation | 5080 |
4 |
| Cognitive Research Enterprises, Inc. | 10 |
4 |
| Enzymotec Ltd. | 35 |
4 |
| Other owners | 310 |