- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 301/03 - Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
Patent holdings for IPC class C07D 301/03
Total number of patents in this class: 162
10-year publication summary
|
12
|
10
|
9
|
9
|
8
|
4
|
3
|
7
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Technology Investments LLC | 271 |
14 |
| Dow Global Technologies LLC | 10363 |
11 |
| Shell USA, Inc. | 1214 |
11 |
| Sumitomo Chemical Company, Limited | 9046 |
10 |
| Scientific Design Company, Inc. | 115 |
10 |
| IFP Energies Nouvelles | 2933 |
6 |
| Research Triangle Institute | 408 |
5 |
| BASF SE | 20933 |
4 |
| Chevron U.S.A. Inc. | 3955 |
4 |
| The Regents of the University of California | 19918 |
3 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 298 |
3 |
| Cargill, Incorporated | 2896 |
3 |
| China Petroleum & Chemical Corporation | 1903 |
3 |
| Lyondell Chemical Technology, L.P. | 263 |
3 |
| SD Lizenzverwertungsgesellschaft mbH & Co. KG | 30 |
3 |
| Mitsubishi Rayon Co., Ltd. | 909 |
2 |
| Mitsubishi Chemical Corporation | 4507 |
2 |
| JPMorgan Chase Bank, National Association | 8558 |
2 |
| Blue Cube IP LLC | 216 |
2 |
| Daicel Corporation | 2344 |
2 |
| Other owners | 59 |