US Patent Issued to Waters Technolgies on June 17 for "Guard column configurations for size exclusion chromatography separations" (Massachusetts, Rhode Island Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,224, issued on June 17, was assigned to Waters Technolgies Corp. (Milford, Mass.).

"Guard column configurations for size exclusion chromatography separations" was invented by Stephen James Shiner (Holden, Mass.), Frank J. Marszalkowski Jr. (Milford, Mass.), Steven M. Byrd (Ashland, Mass.), Raymond P. Fisk (Norton, Mass.), Mathew H. DeLano (Needham, Mass.) and Lavelay Kizekai (Coventry, R.I.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Chromatographic systems for size exclusion chromatography (SEC) are provided that comprise an inlet, an outlet, an analytic column having a first interior volume that has a first length and a first cross-sectional ar...