Libo Ruan

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Taizhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Intermediates of sitagliptin and preparation process thereof
- Patent number 9,187,419
- Issue date Nov 17, 2015
- ZHEJIANG HISOAR PHARMACEUTICAL CO., LTD.
- Xianhua Pan
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
INTERMEDIATES OF SITAGLIPTIN AND PREPARATION PROCESS THEREOF
- Publication number 20130281695
- Publication date Oct 24, 2013
- ZHEJIANG HISOAR PHARMACEUTICAL CO., LTD
- Xianhua Pan
- C07 - ORGANIC CHEMISTRY