- 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: 1927
10-year publication summary
181
|
149
|
167
|
172
|
165
|
245
|
242
|
200
|
195
|
137
|
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. | 5572 |
45 |
N.V. Nutricia | 1065 |
38 |
Société des Produits Nestlé S.A. | 9329 |
35 |
Norgine BV | 42 |
17 |
Ic-medtech Corporation | 20 |
13 |
Matthias W. Rath | 24 |
13 |
HeartBeet Ltd. | 15 |
12 |
URGO Recherche Innovation et Developpement | 300 |
12 |
The Board of Trustees of the Leland Stanford Junior University | 6494 |
11 |
Nicoventures Trading Limited | 4110 |
11 |
Board of Regents, The University of Texas System | 5891 |
10 |
Nutramax Laboratories, Inc. | 250 |
10 |
Zensun (Shanghai) Science & Technology, Co., Ltd. | 56 |
10 |
Kolinpharma S.p.A. | 65 |
10 |
Lunella Biotech, Inc. | 105 |
10 |
Nulixir Inc. | 40 |
10 |
Lion Corporation | 740 |
9 |
Rohto Pharmaceutical Co., Ltd. | 387 |
9 |
FP Nutraceuticals, LLC | 16 |
9 |
Biojiva LLC | 61 |
9 |
Other owners | 1624 |