ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,160, issued on March 3, was assigned to PharmaFluidics NV (Ghent, Belgium).

"Pillar structures" was invented by Jeff Op De Beeck (Mariakerke, Belgium), Bo Claerebout (Kortrijk, Belgium) and Paul Jacobs (Lokeren, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "A chemical reactor implemented on a substrate is described. The chemical reactor includes at least one channel for transporting a liquid and/or gas during operation of the chemical reactor. The channel comprises pillar structures perpendicular to the bottom of the channel having a transverse section parallel to the bottom that is substantially rectangular and wherein the pillar structure...