ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,701, issued on Feb. 10, was assigned to Enquyst Technologies Inc. (Lowell, Mass.).

"Multichannel optical switch for in-line spectroscopic compound analysis" was invented by Jason M. Criscione (Chelmsford, Mass.) and Ali Ersen (Chestnut Hill, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for in-line spectroscopic compound analysis are provided. The in-line spectroscopic compound analysis system comprises a reference optical flow cell to continuously receive a reference fluid, a plurality of sample optical flow cells to continuously receive a sample fluid and a single electromagnetic radiation (EMR) source. The system includ...