- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 489/09 - Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems, e.g. derivatives of [4, 5-epoxy]-morphinan of the formula: containing 4aH-8, 9 c-Iminoethano- phenanthro [4, 5-b, c, d] furan ring systems condensed with carbocyclic rings or ring systems
Patent holdings for IPC class C07D 489/09
Total number of patents in this class: 22
10-year publication summary
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3
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1
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0
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1
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3
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1
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3
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2
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1
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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
|
|---|---|---|
| Rhodes Technologies | 61 |
7 |
| Alkermes Pharma Ireland Limited | 274 |
5 |
| Rensselaer Polytechnic Institute | 807 |
3 |
| Siegfried AG | 39 |
2 |
| Chongqing Pharmaceutical Research Institute Co., Ltd. | 30 |
1 |
| Nippon Chemiphar Co., Ltd. | 230 |
1 |
| Jiangsu Nhwa Pharmaceutical Co., Ltd. | 39 |
1 |
| Navin Saxena Research & Technology Pvt. Ltd. | 13 |
1 |
| Suzhou Nhwa Pharmaceutical Research Co., Ltd. | 10 |
1 |
| Other owners | 0 |