- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/09 - Ethers or acetals having an ether linkage to aromatic ring nuclear carbon having two or more such linkages
Patent holdings for IPC class A61K 31/09
Total number of patents in this class: 715
10-year publication summary
|
62
|
58
|
58
|
56
|
57
|
60
|
51
|
44
|
38
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The University of British Columbia | 1500 |
19 |
| Kaneka Corporation | 4549 |
17 |
| British Columbia Cancer Agency Branch | 192 |
17 |
| Elysium Health, Inc. | 73 |
17 |
| Therapeutic Solutions International, Inc. | 52 |
13 |
| The Johns Hopkins University | 5689 |
11 |
| The Regents of the University of California | 20015 |
10 |
| Bayer HealthCare LLC | 1351 |
9 |
| Hong Kong Baptist University | 114 |
9 |
| Cymabay Therapeutics, Inc. | 111 |
8 |
| Symrise AG | 1744 |
8 |
| Unigen, Inc. | 111 |
8 |
| The Procter & Gamble Company | 22031 |
7 |
| Peloton Therapeutics, Inc. | 38 |
7 |
| Provincial Health Services Authority | 185 |
7 |
| RB Health (US) LLC | 290 |
7 |
| Yissum Research Development Company of The Hebrew University of Jerusalem Ltd. | 1346 |
6 |
| BioMendics, LLC | 12 |
5 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1543 |
5 |
| Ohio University | 365 |
5 |
| Other owners | 520 |