Zhipeng LIU

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Yantai, Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Supported catalyst used for synthesizing polyether amine, and manuf...
- Patent number 11,045,794
- Issue date Jun 29, 2021
- Wanhua Chemical Group Co., Ltd.
- Shujie Ren
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for preparing diamino-dicyclohexyl methane
- Patent number 9,580,380
- Issue date Feb 28, 2017
- Wanhua Chemical Group Co., Ltd.
- Xin Li
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Supported Catalyst Used For Synthesizing Polyether Amine, And Manuf...
- Publication number 20190201878
- Publication date Jul 4, 2019
- WANHUA CHEMICAL GROUP CO., LTD.
- Shujie Ren
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PREPARING DIAMINO-DICYCLOHEXYL METHANE
- Publication number 20160068472
- Publication date Mar 10, 2016
- WANHUA CHEMICAL (NINGBO) CO., LTD.
- Xin LI
- C07 - ORGANIC CHEMISTRY