Ying Chang

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Two types of crystalline of pinocembrin, their preparation and thei...
- Patent number 8,399,511
- Issue date Mar 19, 2013
- CSPC Zhongqi Pharmaceutical Technology (Shijiazhuang) Co., Ltd.
- Guanhua Du
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
TWO TYPES OF CRYSTALLINE OF PINOCEMBRIN, THEIR PREPARATION AND THEI...
- Publication number 20110213024
- Publication date Sep 1, 2011
- CSPC Zhongqi West Road Shijazhuang
- Guanhua Du
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE