ALEXANDRIA, Va., July 28 -- United States Patent no. 12,695,099, issued on July 28, was assigned to Johnson Matthey Hydrogen Technologies Ltd. (London).
"Catalyst-coated membrane and method of manufacture" was invented by Julie O'Sullivan (Swindon, Great Britain) and Peter Trew (Swindon, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method of manufacturing a catalyst-coated ion-conducting membrane for an electrochemical cell, the method comprising: providing an ion-conducting membrane, an electrocatalyst layer, and a masking layer between the ion-conducting membrane and the electrocatalyst layer, wherein the masking layer comprises one or more aperture(s) to provide one or more e...