ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,926, issued on March 24, was assigned to Waters Technologies Corp. (Milford, Mass.).

"Method of operating a liquid chromatography arrangement, a liquid chromatography arrangement, and a chromatography system" was invented by Szabolcs Fekete (Ville la Grand, France), Michael O. Fogwill (Uxbridge, Mass.) and Matthew A. Lauber (North Smithfiled, R.I.).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a method of operating a liquid chromatography arrangement, the liquid chromatography arrangement comprising: a solvent pump arranged to flow a liquid solvent over a liquid chromatography column; a restrictor arranged to restrict the liquid s...