US Patent Issued to SEP Salt & Evaporation Plants on Sept. 23 for "Method for the production of lithium carbonate" (Swiss Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,126, issued on Sept. 23, was assigned to SEP Salt & Evaporation Plants Ltd. (Winterthur, Switzerland).

"Method for the production of lithium carbonate" was invented by Michael Rossler (Buch am Irchel, Switzerland) and Jens-Holger Schmidt (Winterthur, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for the production of lithium carbonate from an aqueous salt solution at least containing lithium ions, chloride ions and calcium ions; the aqueous salt solution with a lithium content of at least 0.005% by weight and a maximum 0.2% by weight is condensed in a first evaporation step at a temperature between 40deg C. and 160deg C. unti...