Chengyan WANG

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing lead directly from lead-containing material by...
- Patent number 11,519,054
- Issue date Dec 6, 2022
- University of Science and Technology Beijing
- Chengyan Wang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Hydrometallurgical method for recycling lead from spent lead-acid b...
- Patent number 11,502,344
- Issue date Nov 15, 2022
- University of Science and Technology Beijing
- Chengyan Wang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PREPARING LEAD DIRECTLY FROM LEAD-CONTAINING MATERIAL BY...
- Publication number 20200377971
- Publication date Dec 3, 2020
- UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
- Chengyan WANG
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HYDROMETALLURGICAL METHOD FOR RECYCLING LEAD FROM SPENT LEAD-ACID B...
- Publication number 20200280111
- Publication date Sep 3, 2020
- UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
- Chengyan WANG
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...