- 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: 107
10-year publication summary
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6
|
11
|
3
|
6
|
7
|
4
|
8
|
5
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lyondell Chemical Technology, L.P. | 242 |
18 |
| Sumitomo Chemical Company, Limited | 9016 |
14 |
| Wanhua Chemical Group Co., Ltd. | 384 |
6 |
| Shell Internationale Research Maatschappij B.V. | 3403 |
5 |
| Shell Oil Company | 2071 |
4 |
| Zhejiang Ausun Pharmaceutical Co., Ltd. | 45 |
4 |
| The Regents of the University of California | 20745 |
3 |
| Uop LLC | 4393 |
3 |
| China Petroleum & Chemical Corporation | 2152 |
3 |
| Boehringer Ingelheim International GmbH | 4493 |
2 |
| Evonik Degussa GmbH | 1379 |
2 |
| Dow Global Technologies LLC | 10944 |
2 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 704 |
2 |
| Repsol, S.A. | 510 |
2 |
| Research Institute of Petroleum Processing, Sinopec | 362 |
2 |
| ThyssenKrupp Industrial Solutions AG | 630 |
2 |
| ThyssenKrupp Uhde GmbH | 379 |
2 |
| Oriental Union Chemical Corp. | 8 |
2 |
| Evonik Operations GmbH | 4362 |
2 |
| Shell USA, Inc. | 1315 |
2 |
| Other owners | 25 |