ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,173, issued on Sept. 8, was assigned to NANJING NUOYUAN MEDICAL DEVICES Co. LTD (Nanjing, China).
"Heptamethine cyanine near-infrared fluorescent dye, preparation method therefor and use thereof" was invented by Changsheng Li (Nanjing, China), Huiming Cai (Nanjing, China) and Huidan Zhang (Nanjing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a heptamethine cyanine near-infrared fluorescent dye, a preparation method therefor and use thereof, relating to the technical field of organic fluorescent molecules. The heptamethine cyanine near-infrared fluorescent dye has a structure as represented by following Formul...