ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,548, issued on Dec. 23, was assigned to UOP LLC (Des Plaines, Ill.).
"Anion exchange polymers and membranes for electrolysis" was invented by Chunqing Liu (Arlington Heights, Ill.) and Xueliang Dong (Schaumburg, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Anion exchange polymers comprise a plurality of repeating units of formula (I). The polymer may be synthesized from a super acid catalyzed polyhydroxyalkylation reaction of monomers Ar1', Ar2', and X1' to form a neutral precursor polymer followed by a Menshutkin reaction to convert the neutral precursor polymer to the anion exchange polymer.Anion exchange membranes and membrane electrode as...