- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 477/02 - Preparation
Patent holdings for IPC class C07D 477/02
Total number of patents in this class: 14
10-year publication summary
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0
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1
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1
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0
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1
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2
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0
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1
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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
|
|---|---|---|
| Asymchem Laboratories (Tianjin) Co., Ltd | 85 |
3 |
| Shanghai Cdymax Pharmaceuticals Co., Ltd. | 10 |
2 |
| Shenzhen Haibin Pharmaceutical Co., Ltd. | 16 |
2 |
| Jiangsu Desano Pharmaceuticals Co. Ltd. | 4 |
2 |
| Xinxiang Haibin Pharmaceutical Co., Ltd. | 5 |
2 |
| Zhejiang Hisun Pharmaceutical Co., Ltd. | 269 |
1 |
| Chengdu Di'Ao Jiuhong Pharmaceutical Factory | 14 |
1 |
| Jilin Asymchem Pharmaceuticals Co., Ltd. | 3 |
1 |
| Other owners | 0 |