- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 303/31 - Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms by etherified hydroxyl radicals in which the oxirane rings are condensed with a carbocyclic ring system having three or more relevant rings
Patent holdings for IPC class C07D 303/31
Total number of patents in this class: 3
10-year publication summary
|
1
|
1
|
2
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyoritsu Chemical & Co., Ltd. | 66 |
1 |
| Nippon Steel Chemical Co., Ltd. | 140 |
1 |
| Zafgen, Inc. | 32 |
1 |
| Other owners | 0 |