- 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: 69
10-year publication summary
|
5
|
7
|
4
|
5
|
1
|
4
|
3
|
3
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21303 |
7 |
| Zhejiang Ausun Pharmaceutical Co., Ltd. | 45 |
4 |
| Kao Corporation | 5073 |
3 |
| Dow Global Technologies LLC | 10930 |
2 |
| PRC-DeSoto International, Inc. | 568 |
2 |
| BASF Agro B.V. | 207 |
2 |
| Zafgen, Inc. | 32 |
2 |
| Compagnie Generale des Etablissements Michelin | 4969 |
2 |
| XENIOPRO GmbH | 16 |
2 |
| E. I. du Pont de Nemours and Company | 3542 |
1 |
| Merck Patent GmbH | 5725 |
1 |
| Bayer Cropscience AG | 1846 |
1 |
| FUJIFILM Corporation | 30512 |
1 |
| Massachusetts Institute of Technology | 10239 |
1 |
| Sumitomo Chemical Company, Limited | 8996 |
1 |
| Northrop Grumman Systems Corporation | 2921 |
1 |
| Chevron Oronite Company LLC | 595 |
1 |
| Showa Denko K.K. | 2072 |
1 |
| National Institute of Advanced Industrial Science and Technology | 3790 |
1 |
| The United States of America as represented by the Secretary of the Army | 1256 |
1 |
| Other owners | 32 |