ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,267, issued on April 29, was assigned to Nanosized Sweden AB (Uppsala, Sweden).
"Water impurity measurements with dynamic light scattering" was invented by Harald Naslund (Stockholm).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for determining a degree of impurity of water comprises performing (200) of a dynamic light scattering analysis of a multitude of samples of a water to be tested. Each sample of said multitude of samples comprises added single-size polymer beads of a respective size and in a respective known amount. A smallest size of the single-size polymer beads giving rise to a detectable signal, discernible over a background nois...