ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,774, issued on July 8, was assigned to IDEXX LABORATORIES INC. (Westbrook, Maine).
"Methods for determining the density of polymer particles for quality control materials using split flow thin (SPLITT) cell fractionation principle and fractionation cell for carrying out the methods" was invented by Aravind Reghu (Scarborough, Maine), Jui Ming Lin (Falmouth, Maine), James Russell (North Yarmouth, Maine) and Jeremy Hammond (Standish, Maine).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for determining the density of particles includes passing a carrier fluid and particles through a fractionation cell at a predetermined rate, where the carrier ...