- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 303/40 - Compounds containing oxirane rings with hydrocarbon radicals, substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals by ester radicals
Patent holdings for IPC class C07D 303/40
Total number of patents in this class: 83
10-year publication summary
|
8
|
5
|
8
|
6
|
5
|
0
|
5
|
3
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| QBiotics Pty Ltd | 29 |
4 |
| Bayer Cropscience AG | 2035 |
3 |
| Sumitomo Chemical Company, Limited | 9046 |
3 |
| Synaptogenix, Inc. | 22 |
3 |
| The Regents of the University of California | 19918 |
2 |
| Centre National de La Recherche Scientifique | 10418 |
2 |
| Semiconductor Energy Laboratory Co., Ltd. | 11403 |
2 |
| Showa Denko K.K. | 2230 |
2 |
| Circa Group Pty Ltd | 10 |
2 |
| Cognitive Research Enterprises, Inc. | 10 |
2 |
| Mitsubishi Gas Chemical Company, Inc. | 3465 |
2 |
| Nippon Kayaku Kabushiki Kaisha | 1432 |
2 |
| QBiotics Limited | 7 |
2 |
| The United States Government AS represented by The Department of Veterans Affairs | 1174 |
2 |
| The University of New England | 12 |
2 |
| F. Hoffmann-La Roche AG | 7925 |
1 |
| LG Chem, Ltd. | 17632 |
1 |
| FUJIFILM Corporation | 29367 |
1 |
| Cheil Industries Inc. | 856 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5658 |
1 |
| Other owners | 43 |