- 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: 1878
10-year publication summary
195
|
160
|
179
|
184
|
178
|
268
|
249
|
206
|
198
|
66
|
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. | 5659 |
46 |
N.V. Nutricia | 1056 |
38 |
Société des Produits Nestlé S.A. | 9208 |
34 |
Norgine BV | 42 |
17 |
Matthias W. Rath | 24 |
13 |
HeartBeet Ltd. | 15 |
12 |
Ic-medtech Corporation | 19 |
12 |
URGO Recherche Innovation et Developpement | 296 |
12 |
The Board of Trustees of the Leland Stanford Junior University | 6365 |
11 |
Nutramax Laboratories, Inc. | 254 |
10 |
Zensun (Shanghai) Science & Technology, Co., Ltd. | 55 |
10 |
Kolinpharma S.p.A. | 64 |
10 |
Lunella Biotech, Inc. | 103 |
10 |
Lion Corporation | 742 |
9 |
Rohto Pharmaceutical Co., Ltd. | 374 |
9 |
Nicoventures Trading Limited | 3797 |
9 |
Nulixir Inc. | 39 |
9 |
FP Nutraceuticals, LLC | 17 |
9 |
Biojiva LLC | 56 |
9 |
Board of Regents, The University of Texas System | 5751 |
8 |
Other owners | 1581 |