US Patent Issued to Village Enterprises, DMT on March 17 for "Systems and processes for the recovery of 226 Ra from phosphogypsum" (German, American Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,637, issued on March 17, was assigned to Village Enterprises Inc. (Indianapolis) and DMT GmbH & Co KG (Essen, Germany).

"Systems and processes for the recovery of 226 Ra from phosphogypsum" was invented by John A. Zehner (Indianapolis), Peter Webner (Fishers, Ind.), David Trump (Granger, Ind.), Michael Haschke (Essen, Germany) and Marie Charlotte Bornhoft (Essen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods of processing phosphogypsum (PG) to recover Radium (e.g., 226Ra), and/or other constituents from PG, are described. PG (stockpiled PG, fresh PG or a combination) is combined with a leach solution, allowed to react for 2-6 hours...