US Patent Issued to SHIN-ETSU CHEMICAL on April 14 for "Recycling method for heavy rare earth element and recycling method for rare earth magnet" (Japanese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,033, issued on April 14, was assigned to SHIN-ETSU CHEMICAL Co. LTD. (Tokyo).

"Recycling method for heavy rare earth element and recycling method for rare earth magnet" was invented by Koichi Hirota (Echizen, Japan), Eiichiro Iwano (Echizen, Japan) and Kazuaki Sakaki (Awara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for collecting a heavy rare earth element from a molten salt electrolysis residue and recycling the heavy rare earth element that includes mixing coarse particles of the molten salt electrolysis residue with a fluorinating material followed by firing to fluorinate the coarse particles, pulverizing the fluorinated coa...