Lingfeng Qian

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Zhejiang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Preparation method for pyrrolidine-2-carboxylic acid derivatives
- Patent number 9,902,693
- Issue date Feb 27, 2018
- Zhejiang Jiuzhou Pharmaceutical Co., Ltd.
- Bin Zhang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing intermediates useful in the manufacture of NE...
- Patent number 9,624,163
- Issue date Apr 18, 2017
- Novartis AG
- Guoliang Zhu
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Preparation method for pyrrolidine-2-carboxylic acid derivatives
- Publication number 20160145208
- Publication date May 26, 2016
- ZHEJIANG JIUZHOU PHARMACEUTICAL CO., LTD.
- Bin ZHANG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
NEW PROCESS
- Publication number 20150210632
- Publication date Jul 30, 2015
- Guoliang Zhu
- C07 - ORGANIC CHEMISTRY