US Patent Issued to Phoenix Tailings on Aug. 11 for "Carbonation and selective leaching for the recovery of metals" (Massachusetts Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,894, issued on Aug. 11, was assigned to Phoenix Tailings Inc. (Woburn, Mass.).

"Carbonation and selective leaching for the recovery of metals" was invented by Thomas Anthony Villalon Jr. (Boston), Rita Marie Silbernagel (Cambridge, Mass.) and Henry Chase Hutcheson (Malden, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure is related to carbonation and selective ammonia leaching for the recovery of minor metals."

The patent was filed on Sept. 8, 2023, under Application No. 19/110,052.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITO...