- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 303/24 - Ethers with hydroxy compounds containing no oxirane rings with polyhydroxy compounds
Patent holdings for IPC class C07D 303/24
Total number of patents in this class: 37
10-year publication summary
|
1
|
3
|
2
|
2
|
5
|
2
|
3
|
1
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5861 |
5 |
| Mitsubishi Gas Chemical Company, Inc. | 3452 |
3 |
| Xerox Corporation | 7027 |
2 |
| AstraZeneca AB | 2924 |
2 |
| FUJIFILM Corporation | 29273 |
2 |
| Sumitomo Chemical Company, Limited | 9027 |
2 |
| Showa Denko K.K. | 2266 |
2 |
| Nippon Shokubai Co., Ltd. | 1507 |
2 |
| Centre National de La Recherche Scientifique | 10395 |
1 |
| Hitachi Chemical Company, Ltd. | 2357 |
1 |
| Industrial Technology Research Institute | 5065 |
1 |
| Dow Global Technologies LLC | 10385 |
1 |
| Idemitsu Kosan Co., Ltd. | 4198 |
1 |
| Adeka Corporation | 1362 |
1 |
| Anhui Qingyun Pharmaceutical & Chemical Co., Ltd. | 6 |
1 |
| DIC Corporation | 3770 |
1 |
| Honshu Chemical Industry Co., Ltd. | 164 |
1 |
| Nissan Chemical Industries, Ltd. | 1723 |
1 |
| Shoei Chemical Inc. | 325 |
1 |
| Tianjin Weijie Pharmaceutical Co., Ltd | 3 |
1 |
| Other owners | 5 |