ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,623, issued on July 8, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Carbon dioxide capture using magnetic heating" was invented by Shiv Shankar Sangaru (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A carbon dioxide (CO2) stream reacts with an amine-modified magnetic nanoparticle in solution to form an amine-CO2 adduct. The solution that includes the amine-modified magnetic nanoparticle is heated by an external alternating magnetic field. The heat provided by the external alternating magnetic field is localized such that only the amine-CO2 adduct is heated to release the CO2, without heating the entire soluti...