International Battery Metals Ltd (IBATF)

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CHENGDU CHEMPHYS CHEMICAL INDUSTRY CO., LTD

Application Number: 16/760,725

https://assignment.uspto.gov/patent/index.html#/patent/search/resultAssignee?assigneeName=CHENGDU%20CHEMPHYS%20CHEMICAL%20INDUSTRY%20CO.,%20LTD

A method for preparing battery grade and high purity grade lithium hydroxide and lithium carbonate from high-impurity lithium sources includes steps for preparation of a refined lithium salt solution, preparation of battery grade lithium hydroxide, preparation of high purity grade lithium hydroxide, preparation of high purity grade lithium carbonate and preparation of battery grade lithium carbonate.

This sounds like the step after they receive the chloride solution from IBATs mobile units