US Patent Issued to AGC on March 25 for "Liquid composition, polymer electrolyte membrane, membrane electrode assembly and polymer electrolyte fuel cell" (Japanese Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,335, issued on March 25, was assigned to AGC Inc. (Tokyo).

"Liquid composition, polymer electrolyte membrane, membrane electrode assembly and polymer electrolyte fuel cell" was invented by Susumu Saito (Tokyo), Takumi Okuyama (Tokyo) and Hiroyuki Watabe (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a liquid composition capable of forming a polymer electrolyte membrane which is excellent in the initial power generation characteristics when made into a membrane electrode assembly, and which is excellent in durability and has few defects. This liquid composition comprises a liquid medium, a sulfonic acid group-containing fluorocarbo...