- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 301/19 - Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with organic hydroperoxides
Patent holdings for IPC class C07D 301/19
Total number of patents in this class: 108
10-year publication summary
|
7
|
6
|
11
|
3
|
6
|
7
|
4
|
8
|
5
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lyondell Chemical Technology, L.P. | 259 |
18 |
| Sumitomo Chemical Company, Limited | 9109 |
14 |
| Shell Internationale Research Maatschappij B.V. | 3542 |
6 |
| Wanhua Chemical Group Co., Ltd. | 359 |
6 |
| Shell Oil Company | 2133 |
4 |
| Zhejiang Ausun Pharmaceutical Co., Ltd. | 39 |
4 |
| The Regents of the University of California | 20303 |
3 |
| Uop LLC | 4259 |
3 |
| China Petroleum & Chemical Corporation | 1955 |
3 |
| Boehringer Ingelheim International GmbH | 4636 |
2 |
| Evonik Degussa GmbH | 1460 |
2 |
| Dow Global Technologies LLC | 10571 |
2 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 679 |
2 |
| Repsol, S.A. | 500 |
2 |
| Research Institute of Petroleum Processing, Sinopec | 369 |
2 |
| ThyssenKrupp Industrial Solutions AG | 632 |
2 |
| ThyssenKrupp Uhde GmbH | 345 |
2 |
| Oriental Union Chemical Corp. | 7 |
2 |
| Evonik Operations GmbH | 4181 |
2 |
| Shell USA, Inc. | 1257 |
2 |
| Other owners | 25 |