Pucha Yan

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Taizhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Silodosin intermediate and preparation method therefor
- Patent number 9,394,251
- Issue date Jul 19, 2016
- Zhejiang Jiuzhou Pharmaceutical Co., Ltd.
- Bin Zhang
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Asymmetrical hydrogenation reaction of ketonic acid compound
- Publication number 20170260119
- Publication date Sep 14, 2017
- ZHEJIANG JIUZHOU PHARMA SCIENCE & TECHNOLOGY CO., LTD.
- Pucha YAN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Silodosin Intermediate and Preparation Method Therefor
- Publication number 20150148548
- Publication date May 28, 2015
- Zhejiang Jiuzhou Pharmaceutical Co., Ltd.
- Bin Zhang
- C07 - ORGANIC CHEMISTRY