- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/222 - Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acyclic acids, e.g. pravastatin with compounds having aromatic groups, e.g. dipivefrine, ibopamine
Patent holdings for IPC class A61K 31/222
Total number of patents in this class: 644
10-year publication summary
|
39
|
49
|
41
|
62
|
56
|
50
|
65
|
31
|
44
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Amarin Pharmaceuticals Ireland Limited | 271 |
18 |
| Aneira Pharma, Inc. | 14 |
12 |
| Cardioxyl Pharmaceuticals, Inc. | 49 |
10 |
| Aeromics, Inc. | 29 |
9 |
| United Therapeutics Corporation | 310 |
9 |
| Infirst Healthcare Limited | 60 |
7 |
| Osmotica Kereskedelmi ES Szolgaltato Kft | 23 |
7 |
| Bristol-myers Squibb Company | 4840 |
6 |
| Ajinomoto Co., Inc. | 2306 |
6 |
| Nicox S.A. | 138 |
6 |
| Oncopeptides Innovation AB | 26 |
6 |
| Acucela Inc. | 160 |
5 |
| Insmed Incorporated | 240 |
5 |
| Monash University | 715 |
5 |
| Septeos | 14 |
5 |
| University of Mississippi | 156 |
5 |
| Aquestive Therapeutics, Inc. | 182 |
5 |
| Kao Corporation | 4981 |
4 |
| DermaMedics, LLC | 8 |
4 |
| Proponent Biotech GmbH | 10 |
4 |
| Other owners | 506 |