- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/136 - Amines, e.g. amantadine having aromatic rings, e.g. methadone having the amino group directly attached to the aromatic ring, e.g. benzeneamine
Patent holdings for IPC class A61K 31/136
Total number of patents in this class: 1005
10-year publication summary
|
89
|
82
|
64
|
85
|
96
|
81
|
89
|
67
|
70
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CSPC Zhongqi Pharmaceutical Technology (Shijiazhuang) Co., Ltd. | 176 |
27 |
| Clexio Biosciences Ltd. | 100 |
15 |
| Allergan, Inc. | 2445 |
13 |
| The Regents of the University of California | 19493 |
9 |
| Duke University | 3008 |
9 |
| Emory University | 1586 |
9 |
| The Johns Hopkins University | 5524 |
8 |
| The Rockefeller University | 568 |
8 |
| The Scripps Research Institute | 1352 |
8 |
| Sumitomo Pharma Oncology, Inc. | 64 |
8 |
| Aldeyra Therapeutics, Inc. | 108 |
7 |
| The Hospital for Sick Children | 417 |
7 |
| Mcmaster University | 772 |
7 |
| Ono Pharmaceutical Co., Ltd. | 436 |
7 |
| Novartis AG | 11289 |
5 |
| The Board of Trustees of the Leland Stanford Junior University | 6229 |
5 |
| The General Hospital Corporation | 4642 |
5 |
| AFT Pharmaceuticals Limited | 73 |
5 |
| Corcept Therapeutics, Inc. | 318 |
5 |
| Crescita Therapeutics Inc. | 27 |
5 |
| Other owners | 833 |