ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,265, issued on Sept. 22, was assigned to ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY (Scottsdale, Ariz.).
"Ammonium-functionalized polysulfone copolymers for moisture-swing CO 2 capture" was invented by Matthew Green (Phoenix), Hoda Shokrollahzadeh Behbahani (Tempe, Ariz.) and Yi Yang (Mesa, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quaternary ammonium-functionalized poly(arylene ether sulfone) copolymer for moisture-swing CO2 capture, and a method for producing the same, is disclosed. The copolymer includes a polysulfone copolymer having a copolymerization unit based on diallyl bisphenal A (DABA) and has quaternary ...