- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 501/28 - Methylene radicals, substituted by oxygen atomsLactones thereof with the 2-carboxyl group with the 7-amino radical acylated by an aliphatic carboxylic acid, which is substituted by hetero atoms
Patent holdings for IPC class C07D 501/28
Total number of patents in this class: 8
10-year publication summary
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1
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2
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0
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0
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0
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0
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1
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0
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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
|
|---|---|---|
| Hainan Lingkang Pharmaceutical Co., Ltd. | 17 |
2 |
| Tianjin University | 815 |
2 |
| National University Corporation Kumamoto University | 391 |
1 |
| Shanghai Shengdi Pharmaceutical Co., Ltd | 120 |
1 |
| Shanghai Senhui Medicine Co., Ltd. | 69 |
1 |
| Jiangsu Hengrui Pharmaceuticals Co., Ltd. | 172 |
1 |
| Other owners | 0 |