ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,226,774, issued on Feb. 18, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Microfluidic device and direct measurement of reaction rate" was invented by Hamad Alarji (Zetland, Australia) and Yara Alzahid (Dammam, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments disclosed herein may relate to a testing apparatus. The testing apparatus may include a sealed, chemically-resistant testing apparatus body defining a testing void; a first fluid port and a second fluid port; and a first geomaterial and a second geomaterial. The first and second geomaterials may be positioned between the first fluid port and the second f...