Standard Lithium one step closer to DLE patents

Standard Lithium said the United States Patent and Trademark Office (USPTO) has issued Notices of Allowance for two of three pending U.S. patent applications for elements of its innovative Direct Lithium Extraction (DLE) processes. The Canadian-based technology and lithium development company anticipates the issue of the formal registration of the “Process for Recovering Lithium from Brines” patents (serial no.16/410,523 and…

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