ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,598, issued on March 3, was assigned to UOP LLC (Des Plaines, Ill.).
"Proton exchange membranes for electrochemical reactions" was invented by Chunqing Liu (Arlington Heights, Ill.), Chaoyi Ba (Schaumburg, Ill.), Nicole Karns (Des Plaines, Ill.) and Xueliang Dong (Schaumburg, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A proton-conducting polymer comprises a plurality of repeating units of formula (I) for electrochemical reactions. The polymer may be synthesized from a super acid catalyzed polyhydroxyalkylation reaction of monomers Ar1', Ar2', and X1' followed by a nucleophilic substitution reaction or a grafting reaction, and optionally an ...