Cong Wang

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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

Patents Applicationslast 30 patents

Information Patent Application
HIGH-COERCIVITY ND-FE-B SERIES SINTERED MAGNET AND PREPARATION METH...
- Publication number 20240412903
- Publication date Dec 12, 2024
- YANTAI ZHENGHAI MAGNETIC MATERIAL CO., LTD.
- Yongjiang YU
- B22 - CASTING POWDER METALLURGY
Information Patent Application
RARE EARTH PERMANENT MAGNET, AND PREPARATION METHOD THEREFOR
- Publication number 20240079180
- Publication date Mar 7, 2024
- YANTAI ZHENGHAI MAGNETIC MATERIAL CO., LTD.
- Zhiqiang LI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
RARE EARTH PERMANENT MAGNET, PREPARATION METHOD AND USE THEREOF
- Publication number 20240013958
- Publication date Jan 11, 2024
- Yantai Zhenghai Magnetic Material Co., Ltd.
- Yongjiang YU
- B22 - CASTING POWDER METALLURGY
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