ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,848, issued on July 28, was assigned to CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS (CSIC) (Madrid) and UNIVERSIDAD DE ZARAGOZA (Saragossa, Spain).

"Microfluidic valve, method for its manufacture, and uses thereof" was invented by Carlos Sanchez Somolinos (Saragossa, Spain), Ignacio Ochoa Garrido (Saragossa, Spain), Luis Javier Fernandez Ledesma (Saragossa, Spain) and Manuel Doblare Castellano (Saragossa, Spain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microfluidic valve, includes arranging a substrate of a mechanically inert material to one or more physicochemical properties over time, configuring a structural portion of the valve; using...