ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,912, issued on May 12, was assigned to CORNISH LITHIUM PLC (Penryn, Great Britain).
"Lithium carbonate recovery process" was invented by Mark Daniel Urbani (Wattle Grove, Australia), Gary Donald Johnson (Subiaco, Australia) and Nicholas John Vines (High Wycombe, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for the recovery of lithium carbonate from a solution (1) containing a mixture of lithium sulfate and lithium hydroxide, the process comprising the precipitation of lithium carbonate (3) from the solution (1) containing a mixture of lithium sulfate and lithium hydroxide through the addition of carbon dioxide (2)."
The patent ...