Inventor

BAN WENJUN

CN2 patents

⚠️ This page may combine multiple inventors who share the name “BAN WENJUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

COLI TECH PTE LTD

1 patent

US12466739B2Nov 11, 2025

Method and system for preparing battery grade and high purity grade lithium hydroxide and lithium carbonate from high-impurity lithium sources

COLI TECH PTE LTD0 citations50

CHENGDU CHEMPHYS CHEMICAL IND CO LTD

1 patent

US11097954B2Aug 24, 2021

Method and system for preparing battery grade and high purity grade lithium hydroxide and lithium carbonate from high-impurity lithium sources

CHENGDU CHEMPHYS CHEMICAL IND CO LTD1 citations50