- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 301/27 - Condensation of epihalohydrins or halohydrins with compounds containing active hydrogen atoms
Patent holdings for IPC class C07D 301/27
Total number of patents in this class: 41
10-year publication summary
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2
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2
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3
|
3
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0
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4
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0
|
1
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1
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Fine Chemicals Co., Ltd. | 80 |
7 |
| Mitsubishi Gas Chemical Company, Inc. | 3343 |
4 |
| Sumitomo Chemical Company, Limited | 8988 |
2 |
| Grasim Industries Limited | 63 |
2 |
| Ingevity South Carolina, LLC | 236 |
2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 93 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5446 |
1 |
| Asahi Glass Company, Limited | 2882 |
1 |
| Mitsubishi Chemical Corporation | 4447 |
1 |
| Biosynthetic Technologies, LLC | 93 |
1 |
| Blue Cube IP LLC | 212 |
1 |
| Central Glass Company, Limited | 1246 |
1 |
| Cognis IP Management GmbH | 657 |
1 |
| Conser SpA | 14 |
1 |
| Envirosource, Inc. | 6 |
1 |
| The George Washington University | 425 |
1 |
| Hexion Inc. | 204 |
1 |
| Huntsman Advanced Materials Americas LLC | 138 |
1 |
| Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.L.A. China | 188 |
1 |
| KCC Corporation | 282 |
1 |
| Other owners | 9 |