- 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: 1036
10-year publication summary
|
81
|
74
|
60
|
76
|
85
|
74
|
81
|
67
|
70
|
45
|
| 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. | 193 |
27 |
| Clexio Biosciences Ltd. | 104 |
17 |
| Allergan, Inc. | 2319 |
12 |
| The Regents of the University of California | 20211 |
10 |
| Duke University | 3101 |
10 |
| Emory University | 1651 |
9 |
| The Johns Hopkins University | 5737 |
8 |
| The Rockefeller University | 574 |
8 |
| The Scripps Research Institute | 1356 |
8 |
| Sumitomo Pharma Oncology, Inc. | 57 |
8 |
| Aldeyra Therapeutics, Inc. | 106 |
7 |
| The Hospital for Sick Children | 414 |
7 |
| Mcmaster University | 815 |
7 |
| AFT Pharmaceuticals Limited | 83 |
6 |
| Ono Pharmaceutical Co., Ltd. | 428 |
6 |
| Novartis AG | 10674 |
5 |
| The Board of Trustees of the Leland Stanford Junior University | 6507 |
5 |
| The General Hospital Corporation | 4794 |
5 |
| Corcept Therapeutics, Inc. | 348 |
5 |
| Crescita Therapeutics Inc. | 24 |
5 |
| Other owners | 861 |