Wenjuan Zhao

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Yantai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing 3-aminomethyl-3,5,5-trimethyl cyclohexylamine
- Patent number 9,624,162
- Issue date Apr 18, 2017
- Wanhua Chemical Group Co., Ltd.
- Changsheng Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-aminomethyl-3, 5, 5-trimethyl cyclohexylamine preparation method
- Patent number 8,829,245
- Issue date Sep 9, 2014
- Wanhua Chemical Group Co., Ltd.
- Changsheng Chen
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method For Preparing 3-Aminomethyl-3,5,5-Trimethyl Cyclohexylamine
- Publication number 20150315133
- Publication date Nov 5, 2015
- WANHUA CHEMICAL GROUP CO., LTD.
- Changsheng Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Application
3-AMINOMETHYL-3, 5, 5-TRIMETHYL CYCLOHEXYLAMINE PREPARATION METHOD
- Publication number 20140142341
- Publication date May 22, 2014
- Wanhua Chemical (Ningbo) Co., Ltd.
- Changsheng Chen
- C07 - ORGANIC CHEMISTRY