ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,342, issued on March 17, was assigned to SONY GROUP Corp. (Tokyo).
"Polymeric dyes having a backbone comprising organophosphate units" was invented by Tracy Matray (Snohomish, Wash.) and Sharat Singh (Rancho Santa Fe, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Compounds useful as fluorescent or colored dyes are disclosed. The compounds have the structure (I) or a stereoisomer, tautomer or salt thereof, wherein R1, R2, R3, R4, R5, L1a, L1b, L2, L3, L4, L5, L6, L7, M1, M2, q, w, m and n are as defined herein. Methods associated with preparation and use of such compounds are also provided."
The patent was filed on July 12, 2019, under Appl...