- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/662 - Phosphorus acids or esters thereof having P—C bonds, e.g. foscarnet, trichlorfon
Patent holdings for IPC class A61K 31/662
Total number of patents in this class: 709
10-year publication summary
|
57
|
58
|
41
|
53
|
55
|
42
|
43
|
39
|
42
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Allergan, Inc. | 2162 |
31 |
| Viking Therapeutics, Inc. | 63 |
26 |
| Metabasis Therapeutics, Inc. | 38 |
17 |
| The Johns Hopkins University | 5898 |
16 |
| Quadriga Biosciences, Inc. | 22 |
15 |
| Kallyope, Inc. | 67 |
12 |
| Ardelyx, Inc. | 119 |
10 |
| The Regents of the University of California | 20790 |
9 |
| Iview Therapeutics, Inc. | 42 |
9 |
| Gilead Sciences, Inc. | 2226 |
8 |
| Centre National de La Recherche Scientifique | 11042 |
7 |
| Novartis AG | 10224 |
6 |
| Board of Regents, The University of Texas System | 6127 |
6 |
| Purdue Research Foundation | 3926 |
6 |
| Pharmaleads | 22 |
6 |
| Ascletis Pharma (China) Co., Limited | 27 |
6 |
| The Board of Trustees of the University of Illinois | 2747 |
5 |
| Sansho Co. Ltd. | 17 |
5 |
| Bayer Animal Health GmbH | 172 |
4 |
| The Board of Trustees of the Leland Stanford Junior University | 6668 |
4 |
| Other owners | 501 |