US Patent Issued to UOP on June 9 for "High selectivity and high CO2 plasticization resistant polymeric membranes for gas separations" (Illinois Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,820, issued on June 9, was assigned to UOP LLC (Des Plaines, Ill.).

"High selectivity and high CO2 plasticization resistant polymeric membranes for gas separations" was invented by Chunqing Liu (Arlington Heights, Ill.), Chaoyi Ba (Schaumburg, Ill.) and Nicole Karns (Des Plaines, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A high selectivity and high CO2 plasticization resistant polymer comprises a plurality of repeating units of formula (I) for gas separation applications. The polymer may be synthesized from a superacid catalyzed poly(hydroalkylation) reaction.Membranes made from the polymer and gas separation processes using the membranes m...