US Patent Issued to Cytiva Sweden on July 22 for "Method and apparatus for determining optical density of a solution" (Swedish Inventor)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,528, issued on July 22, was assigned to Cytiva Sweden AB (Uppsala, Sweden).

"Method and apparatus for determining optical density of a solution" was invented by Hanno Ehring (Uppsala, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and instrument for determining optical density of a solution is disclosed. A flow cell 1 having at least three light paths (4a, 4b, 4c) is provided (100), wherein each light path has a respective predetermined path length, l. Absorbance readings are taken (400), A, of the solution at the at least three light paths (4a, 4b, 4c). For each pair of light paths, a slope, Alphac, is calculated (500) by dividing a...