Yantao Qi

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Brivaracetam intermediate, preparation method therefor, and prepara...
- Patent number 11,518,741
- Issue date Dec 6, 2022
- Shanghai Puyi Chemical Co., Ltd.
- Hanrong Yang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Asymmetric synthesis method, related raw material and preparation m...
- Patent number 9,238,648
- Issue date Jan 19, 2016
- Xiaobo Shentu
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
BRIVARACETAM INTERMEDIATE, PREPARATION METHOD THEREFOR, AND PREPARA...
- Publication number 20210253523
- Publication date Aug 19, 2021
- SHANGHAI PUYI CHEMICAL CO., LTD.
- Hanrong YANG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ASYMMETRIC SYNTHESIS METHOD, RELATED RAW MATERIAL AND PREPARATION M...
- Publication number 20140066626
- Publication date Mar 6, 2014
- Shanghai Puyi Chemical Technology Co. Ltd
- Xiaobo Shentu
- C07 - ORGANIC CHEMISTRY