Zilin Ni

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Yantai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for intermittently producing 4,4′-diaminodicyclohexylmethane...
- Patent number 8,759,591
- Issue date Jun 24, 2014
- Wanhua Chemical Group Co., Ltd.
- Shuang Hu
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
CATALYST USED FOR RESOURCE UTILIZATION OF A FIXED BED ANILINE DISTI...
- Publication number 20160207876
- Publication date Jul 21, 2016
- WANHUA CHEMICAL GROUP CO., LTD.
- Hua Mei
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for Intermittently Producing 4,4'-Diaminodicyclohexylmethane...
- Publication number 20120323041
- Publication date Dec 20, 2012
- NINGBO WANHUA POLYURETHANES CO., LTD.
- Shuang Hu
- C07 - ORGANIC CHEMISTRY