US Patent Issued on July 22 for "Adsorbent particles, method for producing adsorbent particles, base material particles, filling column and method for recovering rare earth element" (Japanese Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,364,967, issued on July 22.

"Adsorbent particles, method for producing adsorbent particles, base material particles, filling column and method for recovering rare earth element" was invented by Masahiro Aoshima (Tokyo), Yohei Ishikawa (Tokyo) and Masaru Watanabe (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are adsorbent particles each containing: a carrier particle containing an organic polymer; an amino group-containing polymer adhered to a surface of the carrier particle and including a constituent unit having an amino group; and a diglycolic acid residue bonded to the amino group of the amino group-containing polymer."

The patent ...