ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,481, issued on Sept. 15, was assigned to Georgia Tech Research Corp. (Atlanta) and Global Thermostat Operations LLC (Brighton, Colo.).

"Materials including alkyl diamine-substituted aryl compounds, methods of making, and methods of separating CO 2" was invented by Eric W. Ping (Thornton, Colo.), Miles A. Sakwa-Novak (Arvada, Colo.), Christopher W. Jones (Atlanta), Dharam Raj Kumar (Atlanta) and Cornelia Rosu (Bear, Del.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides for materials comprising porous structures supporting (e.g., disposed therein and/or thereon) alkyl diamine-substituted aryl compounds, methods of making...