ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,018, issued on July 14, was assigned to EIKON THERAPEUTICS INC. (Hayward, Calif.).

"Photoactive fluorescent compounds and use thereof for labeling of proteins" was invented by Hilary Plake Beck (Emerald Hills, Calif.), David Trombley Mcswiggen (Berkeley, Calif.), Leah Brigit Cleary (Oakland, Calif.), Daniel James Anderson (Redwood City, Calif.), Yihong Li (San Bruno, Calif.) and Anne Ruth Sizemore (Scranton, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are novel photoactive fluorescent compounds of Formula (A) or a salt, a single stereoisomer, a mixture of stereoisomers or an isotopic form thereof, wherein G, R, X, Z, and LA ar...