Zuyuan Rong

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Chongqing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for purifying (S)-Oxiracetam
- Patent number 9,440,918
- Issue date Sep 13, 2016
- Chongqing Runze Pharmaceutical Co., Ltd
- Lei Ye
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Crystal form I of (S)-4-hydroxy-2-oxo-1-pyrrolidine acetamide, prep...
- Patent number 9,238,622
- Issue date Jan 19, 2016
- Chongqing Runze Pharmaceutical Co., Ltd
- Chao You
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PURIFYING LEVO-OXIRACETAM
- Publication number 20140303383
- Publication date Oct 9, 2014
- Lei Ye
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PURIFYING (S)-OXIRACETAM
- Publication number 20140171659
- Publication date Jun 19, 2014
- CHONGQING RUNZE MEDICAL INSTRUMENTS CO., LTD.
- Lei Ye
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CRYSTAL FORM I OF (S)-4-HYDROXY-2-OXO-1-PYRROLIDINE ACETAMIDE, PREP...
- Publication number 20130059900
- Publication date Mar 7, 2013
- Chao You
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING (S)-4-HYDROXY-2-OXO-1-PYRROLIDINE ACETAMIDE
- Publication number 20130060049
- Publication date Mar 7, 2013
- Chao You
- C07 - ORGANIC CHEMISTRY