- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/592 - 9,10-Secoergostane derivatives, e.g. ergocalciferol, vitamin D2
Patent holdings for IPC class A61K 31/592
Total number of patents in this class: 283
10-year publication summary
|
30
|
31
|
28
|
39
|
32
|
28
|
21
|
24
|
25
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| EirGen Pharma Limited | 91 |
25 |
| Société des Produits Nestlé S.A. | 9672 |
12 |
| Opko Ireland Global Holdings, Ltd. | 22 |
9 |
| Wisconsin Alumni Research Foundation | 3774 |
8 |
| DSM IP Assets B.V. | 5856 |
7 |
| N.V. Nutricia | 1022 |
6 |
| The Salk Institute for Biological Studies | 436 |
6 |
| Nestec S.A. | 2777 |
5 |
| Opko Renal, LLC | 11 |
5 |
| ALFASIGMA S.p.A. | 530 |
4 |
| Cytochroma Inc. | 19 |
4 |
| Diamyd Medical AB, AKA Diamyd | 27 |
4 |
| Obschestvo S Ogranichennoj Otvetstvennost'ju "parafarm" | 10 |
4 |
| The University of Sydney | 562 |
4 |
| Entia Biosciences, Inc., FORMERLY Total Nutraceutical Solutions, Inc. | 8 |
3 |
| Obshestvo S Ogranichennoj Otvetstvennostju "parafarm" | 28 |
3 |
| Nutritional Growth Solutions Ltd | 6 |
3 |
| The Bioregentech Institute, Inc. | 14 |
3 |
| The Procter & Gamble Company | 22178 |
2 |
| BASF SE | 19740 |
2 |
| Other owners | 164 |