Inventor
LEE JE JOONG
KR7 patents
Patents
7 patentsUS12509744B2Dec 30, 2025
Method for preparing nickel sulfate aqueous solution from nickel-containing raw material
KOREA ZINC CO LTD0 citations57
US12221716B2Feb 11, 2025
Method of manufacturing copper sulfate electrolyte
KOREA ZINC CO LTD0 citations50
US12516398B2Jan 6, 2026
All-in-one nickel recovering method for recovery of nickel oxide from raw materials containing nickel
KOREA ZINC CO LTD0 citations46
US12385108B2Aug 12, 2025
All-in-one nickel recovering method for nickel hydroxide recovery from raw materials containing nickel
KOREA ZINC CO LTD0 citations46
US12325894B2Jun 10, 2025
All-in-one nickel recovering method for nickel metal recovery from raw materials containing nickel
KOREA ZINC CO LTD0 citations46
US11001507B2May 11, 2021
Method of recovering iron from zinc sulphate solution
KOREA ZINC CO LTD0 citations45
US10584398B2Mar 10, 2020
Autoclave and method for removing salt from autoclave
KOREA ZINC CO LTD0 citations45