Huayin Wan

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Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Use of piperphentonamine or salts thereof in manufacture of medicam...
- Patent number 8,916,607
- Issue date Dec 23, 2014
- Guangzhou Municipal Zhongwei Biotechnology Limited Company
- Huayin Wan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Kind of piperphentonamine hydrochloride lyophilized powder for inje...
- Patent number 8,513,301
- Issue date Aug 20, 2013
- Guangzhou Zhongwei Biotechnology Ltd.
- Huayin Wan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
USE OF PIPERPHENTONAMINE OR SALTS THEREOF IN MANUFACTURE OF MADICAM...
- Publication number 20120184607
- Publication date Jul 19, 2012
- Huayin Wan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
KIND OF PIPERPHENTONAMINE HYDROCHLORIDE LYOPHILIZED POWDER FOR INJE...
- Publication number 20100197731
- Publication date Aug 5, 2010
- GUANGZHOU ZHONGWEI BIOTECHNOLOGY LTD.
- Huayin Wan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE