Yanwen Zhang

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Donglu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for recycling urea in urea adduct process
- Patent number 11,180,445
- Issue date Nov 23, 2021
- Zhejang Medicine Co., Ltd Xinchang Pharmaceutical Factory
- Yongjian Peng
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method for Recycling Urea in Urea Adduct Process
- Publication number 20170240507
- Publication date Aug 24, 2017
- Zhejiang Medicine Co., Ltd. Xinchang Pharmaceutica l Factory
- Yongjian Peng
- C07 - ORGANIC CHEMISTRY