- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 303/22 - Ethers with hydroxy compounds containing no oxirane rings with monohydroxy compounds
Patent holdings for IPC class C07D 303/22
Total number of patents in this class: 74
10-year publication summary
|
5
|
5
|
7
|
4
|
5
|
1
|
4
|
3
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20519 |
7 |
| Zhejiang Ausun Pharmaceutical Co., Ltd. | 35 |
4 |
| Kao Corporation | 4933 |
3 |
| AstraZeneca AB | 2968 |
2 |
| Dow Global Technologies LLC | 10203 |
2 |
| PRC-DeSoto International, Inc. | 578 |
2 |
| BASF Agro B.V. | 218 |
2 |
| Trioptotec GmbH | 17 |
2 |
| Zafgen, Inc. | 32 |
2 |
| Compagnie Generale des Etablissements Michelin | 4630 |
2 |
| XENIOPRO GmbH | 15 |
2 |
| E. I. du Pont de Nemours and Company | 4246 |
1 |
| Merck Patent GmbH | 5865 |
1 |
| Bayer Cropscience AG | 2131 |
1 |
| FUJIFILM Corporation | 28863 |
1 |
| Massachusetts Institute of Technology | 9932 |
1 |
| Sumitomo Chemical Company, Limited | 9006 |
1 |
| Konica Minolta Medical & Graphic, Inc. | 861 |
1 |
| Northrop Grumman Systems Corporation | 2934 |
1 |
| Chevron Oronite Company LLC | 560 |
1 |
| Other owners | 35 |