- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 309/22 - Radicals substituted by oxygen atoms
Patent holdings for IPC class C07D 309/22
Total number of patents in this class: 36
10-year publication summary
|
2
|
1
|
2
|
5
|
5
|
4
|
2
|
1
|
3
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 4849 |
8 |
| JNC Corporation | 1568 |
3 |
| Astellas Pharma Inc. | 1087 |
2 |
| JNC Petrochemical Corporation | 400 |
2 |
| Novartis AG | 10721 |
1 |
| BASF SE | 21017 |
1 |
| The Regents of the University of California | 20108 |
1 |
| Janssen Pharmaceutica N.V. | 3367 |
1 |
| Syngenta Participations AG | 1833 |
1 |
| Syngenta Limited | 448 |
1 |
| Bayer Intellectual Property GmbH | 2487 |
1 |
| Children's Medical Center Corporation | 1887 |
1 |
| Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences | 74 |
1 |
| Medshine Discovery Inc. | 598 |
1 |
| Orion Corporation | 681 |
1 |
| Oxford University Innovation Limited | 1555 |
1 |
| Rutgers, The State University of New Jersey | 1909 |
1 |
| Umicore AG & Co. KG | 860 |
1 |
| Vanderbilt University | 1919 |
1 |
| S H Kelkar and Company Limited | 17 |
1 |
| Other owners | 5 |