ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,078, issued on Nov. 4, was assigned to Waters Technologies Corp. (Milford, Mass.).

"Compounds for use in system suitability testing of inert LC systems and columns" was invented by Amit Patel (Shrewsbury, Mass.), Matthew A. Lauber (North Smithfield, R.I.), Kevin Wyndham (Upton, Mass.), Mathew DeLano (Needham, Mass.) and Jennifer Simeone (Shrewsbury, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure is directed to a kit for evaluating system inertness. The kit includes a positive control comprising a metal interacting moiety, and a negative control that does not contain a metal interacting moiety. In some embodiments the kit ...