- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 301/00 - Preparation of oxiranes
Patent holdings for IPC class C07D 301/00
Total number of patents in this class: 72
10-year publication summary
|
8
|
8
|
9
|
5
|
2
|
5
|
2
|
1
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10156 |
5 |
| BASF SE | 20432 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3722 |
3 |
| Dow Technology Investments LLC | 273 |
3 |
| Semiconductor Energy Laboratory Co., Ltd. | 11101 |
2 |
| Sumitomo Chemical Company, Limited | 8988 |
2 |
| Kaneka Corporation | 4498 |
2 |
| JPMorgan Chase Bank, National Association | 8416 |
2 |
| Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.L.A. China | 188 |
2 |
| Onyx Therapeutics, Inc. | 71 |
2 |
| Reichhold LLC 2 | 31 |
2 |
| Saint-Gobain Ceramics & Plastics, Inc. | 839 |
2 |
| Vivesto AB | 18 |
2 |
| The Boeing Company | 19911 |
1 |
| AstraZeneca AB | 2958 |
1 |
| Centre National de La Recherche Scientifique | 10102 |
1 |
| Hitachi Chemical Company, Ltd. | 2387 |
1 |
| Shell Oil Company | 2153 |
1 |
| Board of Regents, The University of Texas System | 5619 |
1 |
| Idemitsu Kosan Co., Ltd. | 4103 |
1 |
| Other owners | 33 |