ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,235,251, issued on Feb. 25, was assigned to Sartorius Stedim Biotech GmbH (Germany).

"Chromatography method, method of determining the concentration of at least one compound in a chromatography method, method of obtaining an adsorption isotherm, method of obtaining at least one stationary phase and method of evaluating the accuracy of a predetermined adsorption isotherm" was invented by Dominik Stein (Gottingen, Germany) and Jan Schwellenbach (Gottingen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a chromatography method, a method of determining the concentration of at least one compound in a chromatography me...