US Patent Issued to Roche Diagnostics Hematology, Roche Diagnostics Operations on Feb. 10 for "Compositions and methods for calibration and quality control" (American, Swiss Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,765, issued on Feb. 10, was assigned to Roche Diagnostics Hematology Inc. (Indianapolis) and Roche Diagnostics Operations Inc. (Indianapolis).

"Compositions and methods for calibration and quality control" was invented by Anne Umberger (Wellesley, Mass.), Kerri Elizabeth Horton (Arlington, Mass.), Daniel Lapen (Lancaster, Mass.), David J. Zahniser (Wellesley, Mass.) and Mirko Klingauf (Rotkreuz, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure features calibration fluids that include a plurality of beads, such as cellulose, silica, poly(methyl-methacrylate) (PMMA), melamine, cross-linked agarose, polyvinylacetate (PVA), and/...