Yanqin Ma

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Jiangsu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Process for the manufacture of agomelatine and its intermediate
- Patent number 8,653,281
- Issue date Feb 18, 2014
- NHWA Pharma Corporation
- Guisen Zhang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aralkyl piperidine derivatives and their uses as antalgic or atarac...
- Patent number 8,501,778
- Issue date Aug 6, 2013
- NHWA Pharma. Corporation
- Jianqi Li
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Use of aryl piperazine derivatives in manufacturing medicants for t...
- Patent number 8,420,652
- Issue date Apr 16, 2013
- NHWA Pharma Corporation
- Guisen Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR THE MANUFACTURE OF AGOMELATINE AND ITS INTERMEDIATE
- Publication number 20110130571
- Publication date Jun 2, 2011
- Guisen Zhang
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ARALKYL PIPERIDINE DERIVATIVES AND THEIR USES AS ANTALGIC OR ATARAC...
- Publication number 20110105503
- Publication date May 5, 2011
- NHWA PHARMA. CORPORATION
- Jianqi Li
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
USE OF ARYL PIPERAZINE DERIVATIVES IN MANUFACTURING MEDICANTS FOR T...
- Publication number 20100331340
- Publication date Dec 30, 2010
- Guisen Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE