Hua Mei

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Yantai, Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Catalyst for fixed bed aniline rectification residue recycling and...
- Patent number 9,926,259
- Issue date Mar 27, 2018
- Wanhua Chemical Group Co., Ltd.
- Hua Mei
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
CATALYST FOR FIXED BED ANILINE RECTIFICATION RESIDUE RECYCLING AND...
- Publication number 20180065916
- Publication date Mar 8, 2018
- WANHUA CHEMICAL GROUP CO., LTD.
- Hua Mei
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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