ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,591, issued on Dec. 30, was assigned to STMICROELECTRONICS S.r.l. (Agrate Brianza, Italy).

"Solid reagent containment unit, in particular for a transportable microfluidic device for sample preparation and molecule analysis" was invented by Marco Cereda (Segrate, Italy), Lillo Raia (Desio, Italy) and Alessandro Paolo Bramanti (Maglie, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A solid reagent containment unit is formed by a support; a frame body fixed to the support and delimiting internally, together with the support, an analysis volume; a reagent-adhesion structure within the analysis volume; and at least one reagent cavity, which extends...