Lei Chengzhi

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Sodium alginate microsphere vascular embolus containing water-solub...
- Patent number 8,168,224
- Issue date May 1, 2012
- Beijing Shengyiyao Science & Technology Development Co., Ltd.
- Li Xiaoping
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
SODIUM ALGINATE MICROSPHERE VASCULAR EMBOLUS CONTAINING WATER-SOLUB...
- Publication number 20090162440
- Publication date Jun 25, 2009
- BEIJING SHENGYIYAO SCIENCE & TECHNOLOGY DEVELOPMENT CO., LTD.
- Li Xiaoping
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE