ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,907, issued on Jan. 28, was assigned to FOSS Analytical A/S (Hilleroed, Denmark).

"Method of determining an optical pathlength through a cuvette" was invented by Jeppe Sandvik Clausen (Hilleroed, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for determining an optical pathlength through a cuvette of a spectrophotometric apparatus includes obtaining a first single beam spectrum of a liquid zero-material at least in a first energy region in which the liquid zero-material absorbs at least a portion of incident optical radiation; obtaining a second single beam spectrum of a second liquid at least in the first energy region, the second ...