US Patent Issued to His Majesty the King in Right of Canada as Represented by the Minister of Natural Resources on June 3 for "Process and system for recovering rare earth elements" (Canadian Inventor)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,982, issued on June 3, was assigned to His Majesty the King in Right of Canada as Represented by the Minister of Natural Resources (Ottawa).

"Process and system for recovering rare earth elements" was invented by Chen Xia (Kanata, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides a process and system for recovery of rare earth elements. In particular, the present application provides a process for obtaining a precipitate of rare earth elements (REE), comprising: (a) obtaining an acidic composition comprising the REE (such as, for example, a pregnant leach solution); (b) adding a reducing agent to the acidic compos...