Xu YAN

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Changsha, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for analysis and determination of heavy metal occurrence key...
- Patent number 12,159,691
- Issue date Dec 3, 2024
- Central South University
- Zhang Lin
- G01 - MEASURING TESTING
Information Patent Grant
Method for treating copper-containing waste etching solution
- Patent number 11,939,229
- Issue date Mar 26, 2024
- Central South University
- Zhang Lin
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR TREATING COPPER-CONTAINING WASTE ETCHING SOLUTION
- Publication number 20230166979
- Publication date Jun 1, 2023
- Central South University
- Zhang LIN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR ANALYSIS AND DETERMINATION OF HEAVY METAL OCCURRENCE KEY...
- Publication number 20230117820
- Publication date Apr 20, 2023
- Central South University
- Zhang LIN
- G01 - MEASURING TESTING