ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,749, issued on Oct. 14, was assigned to The Curators of the University of Missouri (Columbia, Mo.).

"Cyclic germanium compounds and applications thereof" was invented by Janet Braddock-Wilking (St. Louis), Teresa Lynn Bandrowsky (St. Peters, Mo.) and James Bryan Carroll II (St. Louis).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a new series of compounds exhibiting high fluorescence quantum yields in the solid state. In one embodiment, the compounds include a series of 2,3,4,5-tetraphenylgermoles with the same or different 1,1-substituents. In another embodiment, substituted germafluorenes, germa-fluoresceins/rhodami...