- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/375 - Ascorbic acid, i.e. vitamin CSalts thereof
Patent holdings for IPC class A61K 31/375
Total number of patents in this class: 1880
10-year publication summary
|
195
|
160
|
179
|
184
|
178
|
268
|
249
|
206
|
198
|
72
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DSM IP Assets B.V. | 5601 |
46 |
| N.V. Nutricia | 1060 |
38 |
| Société des Produits Nestlé S.A. | 9248 |
34 |
| Norgine BV | 42 |
17 |
| Matthias W. Rath | 24 |
13 |
| HeartBeet Ltd. | 15 |
12 |
| Ic-medtech Corporation | 19 |
12 |
| URGO Recherche Innovation et Developpement | 297 |
12 |
| The Board of Trustees of the Leland Stanford Junior University | 6394 |
11 |
| Nutramax Laboratories, Inc. | 255 |
10 |
| Zensun (Shanghai) Science & Technology, Co., Ltd. | 55 |
10 |
| Kolinpharma S.p.A. | 64 |
10 |
| Lunella Biotech, Inc. | 104 |
10 |
| Lion Corporation | 742 |
9 |
| Rohto Pharmaceutical Co., Ltd. | 374 |
9 |
| Nicoventures Trading Limited | 3856 |
9 |
| Nulixir Inc. | 39 |
9 |
| FP Nutraceuticals, LLC | 17 |
9 |
| Biojiva LLC | 56 |
9 |
| Board of Regents, The University of Texas System | 5760 |
8 |
| Other owners | 1583 |