Standard Lithium Ltd. explores for, develops, and processes lithium brine properties in the United States. Its flagship project is the Lanxess project where it operates approximately 150,000 acres of brine leases located in south-western Arkansas. The company was formerly known as Patriot Petroleum Corp. and changed its name to Standard Lithium Ltd. in December 2016. Standard Lithium Ltd. was incorporated in 1998 and is headquartered in Vancouver, Canada.