- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 301/28 - Condensation of epihalohydrins or halohydrins with compounds containing active hydrogen atoms by reaction with hydroxyl radicals
Patent holdings for IPC class C07D 301/28
Total number of patents in this class: 61
10-year publication summary
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5
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5
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5
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1
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4
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6
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3
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2
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5
|
1
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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 | 9043 |
6 |
| DIC Corporation | 3801 |
6 |
| Mitsubishi Chemical Corporation | 4525 |
3 |
| Chemtor, LP | 62 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3468 |
3 |
| Idemitsu Kosan Co., Ltd. | 4224 |
2 |
| Blue Cube IP LLC | 216 |
2 |
| Korea Kumho Petrochemical Co., Ltd. | 190 |
2 |
| Lotte Fine Chemical Co., Ltd. | 102 |
2 |
| BASF SE | 20940 |
1 |
| Centre National de La Recherche Scientifique | 10464 |
1 |
| Seiko Epson Corporation | 19398 |
1 |
| Hitachi Chemical Company, Ltd. | 2344 |
1 |
| Adeka Corporation | 1365 |
1 |
| Chang Chun Plastics Co., Ltd. | 95 |
1 |
| Cognis IP Management GmbH | 634 |
1 |
| Consejo Nacional de Investigaciones Cientificas y Tecnicas (conicet) | 303 |
1 |
| The Governing Council of The University of Toronto, | 1474 |
1 |
| Institute of Chemistry, Chinese Academy of Sciences | 233 |
1 |
| JNC Corporation | 1561 |
1 |
| Other owners | 21 |