Lithium-focused exploration company Standard Lithium Ltd. (TSX.V: SLL) (FRA: S5L) (OTCQX: STLHF) this morning announced its filing of a patent application with the U.S. Patent and Trademark Office covering the company’s novel process for the recovery of lithium from brine. Per the update, a concurrent application was also filed under the Patent Cooperation Treaty (“PCT”), extending Standard Lithium’s entitlement to seek patent protection for this invention in member states to the PCT. A lithium extraction mini-pilot plant utilizing Standard Lithium’s proprietary process has demonstrated that lithium can be selectively extracted from raw brine without pre-treatment, can be converted into a concentrated and substantially purified lithium chloride solution and can be continuously regenerated and recycled to the extraction stage, allowing for overall lithium extraction efficiencies exceeding 90 percent. Standard Lithium notes that the patent applications announced as part of this morning’s update claim priority out of the company’s previously filed U.S. provisional application.
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About Standard Lithium Ltd.
Standard Lithium is a specialty chemical company focused on unlocking the value of existing large-scale U.S.-based lithium-brine resources. The company believes new lithium production can be brought on stream rapidly by minimizing project risks at selection stage (resource, political, geographic, regulatory and permitting), and by leveraging advances in lithium extraction technologies and processes. The company’s flagship project is located in southern Arkansas, where it is engaged in the testing and proving of the commercial viability of lithium extraction from over 150,000 acres of permitted brine operations utilizing the company’s proprietary selective extraction technology. The company is also pursuing the resource development of over 30,000 acres of separate brine leases located in southwestern Arkansas and approximately 45,000 acres of mineral leases located in the Mojave Desert in San Bernardino County, California. For more information, visit the company’s website at www.StandardLithium.com
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