- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/25 - Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids with polyoxyalkylated alcohols, e.g. esters of polyethylene glycol
Patent holdings for IPC class A61K 31/25
Total number of patents in this class: 224
10-year publication summary
16
|
21
|
15
|
30
|
22
|
25
|
20
|
15
|
9
|
0
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Infirst Healthcare Limited | 62 |
18 |
Leo Laboratories Limited | 61 |
11 |
Aneira Pharma, Inc. | 14 |
11 |
The Johns Hopkins University | 5524 |
4 |
Majeed, Muhammed | 33 |
4 |
Proponent Biotech GmbH | 10 |
4 |
Tulex Pharmaceuticals Inc., DBA Tulex Pharmaceuticals Inc. | 13 |
4 |
Majeed, Anju | 4 |
3 |
Nagabhushanam, Kalyanam | 22 |
3 |
Pandey, Anjali | 5 |
3 |
SCF Pharma Inc. | 27 |
3 |
Smith & Nephew, Inc. | 2680 |
3 |
Topokine Therapeutics, Inc. | 30 |
3 |
Tris Pharma, Inc. | 98 |
3 |
Flexopharm Brain GMBH & Co. KG | 12 |
3 |
Bani, Sarang | 4 |
2 |
Canopy Growth Corporation | 262 |
2 |
Fundacion Universitaria Juan N. Corpas | 3 |
2 |
IBC Pharmaceuticals, Inc. | 99 |
2 |
KOLFARMA S.r.l. | 8 |
2 |
Other owners | 134 |