US Patent Issued to Northwestern University on July 15 for "Conjugated polymers for the selective electroless recovery of gold and silver from solutions" (American, Chinese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,279, issued on July 15, was assigned to Northwestern University (Evanston, Ill.).

"Conjugated polymers for the selective electroless recovery of gold and silver from solutions" was invented by Mercouri G. Kanatzidis (Wilmette, Ill.) and Shulan Ma (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Conjugated organic polymers doped with anions and methods for the use of the anion-doped conjugated organic polymers in the selective electroless extraction and recovery of gold or silver from samples containing gold anions or silver anions are provided. The anion-doped polymers have a conjugated, positively charged backbone chain that is charge-balanc...