ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,309, issued on Dec. 9, was assigned to University of South Florida (Tampa, Fla.).

"Spectrally selective zinc oxide particles and methods of making thereof" was invented by David Allen Young (Tampa, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are methods of forming a method for forming spectrally selective nanoparticles, the method comprising: heating a growth solution comprising a zinc salt precursor, zinc oxide seed particles, and one or more dopants in a non-pressurized hydrothermal reactor to a first temperature under agitative conditions for a reaction period; cooling the reactor to a second temperature less than the first tempe...