ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,008, issued on March 31, was assigned to HiurA Pty Ltd (East Perth, Australia).
"Process for producing high purity aluminum materials" was invented by Nicholas James Welham (Perth, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for producing high purity alumina (HPA) or high purity aluminium salts from an aluminium-bearing material, such as is disclosed. An aluminium-bearing solution is first obtained by either dissolving or leaching the aluminium-bearing material. Aluminium is then selectively extracted by liquid-liquid or liquid-solid extraction to obtain an aluminium-enriched liquid or aluminium-enriched solid phase. Minor me...