ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,128, issued on Sept. 1, was assigned to The Johns Hopkins University (Baltimore).

"Axisymmetric confined impinging jet mixer" was invented by Rajat Mittal (Vienna, Va.), Jung Hee Seo (Baltimore), Hai-Quan Mao (Baltimore), Yue Hao (Baltimore) and Yizong Hu (Baltimore).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process and a device for continuous micromixing of two fluids is disclosed. The process and the device can be used in particular when micromixing plays an important role, for example, in the yield and characteristics of the products. This is the case for crystallization, precipitation and combustion reactions and for micelle assembly or po...