- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 303/23 - Oxiranylmethyl ethers of compounds having one hydroxy group bound to a six-membered aromatic ring, the oxiranylmethyl radical not being further substituted, i.e.
Patent holdings for IPC class C07D 303/23
Total number of patents in this class: 38
10-year publication summary
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5
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4
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3
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3
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3
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4
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1
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6
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4
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 9046 |
5 |
| The Boeing Company | 20043 |
3 |
| Cambium Biomaterials, Inc. | 9 |
2 |
| E. I. du Pont de Nemours and Company | 4082 |
1 |
| AstraZeneca AB | 2909 |
1 |
| FUJIFILM Corporation | 29367 |
1 |
| Compagnie générale des établissements Michelin SCA | 2569 |
1 |
| Empire Technology Development LLC | 1620 |
1 |
| Avril | 66 |
1 |
| Bowling Green State University | 76 |
1 |
| Brewer Science Inc. | 236 |
1 |
| Centre de Cooperation Internationale en Recherche Agronomique pour le Developpement (cirad) | 50 |
1 |
| Commonwealth Scientific and Industrial Research Organisation | 1651 |
1 |
| DENTSPLY DeTrey GmbH | 170 |
1 |
| DIC Corporation | 3794 |
1 |
| Fundació Eurecat | 92 |
1 |
| Henkel IP & Holding GmbH | 567 |
1 |
| Institut National de La Recherche Agronomique (inra) | 161 |
1 |
| JNC Corporation | 1556 |
1 |
| JNC Petrochemical Corporation | 399 |
1 |
| Other owners | 11 |