ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,935, issued on Feb. 17, was assigned to HighRI Optics Inc. (Oakland, Calif.).
"Polydisulfide polymer" was invented by Carlos Pina-Hernandez (Berkeley, Calif.) and Keiko Munechika (Oakland, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for forming a polydisulfide polymer is described. In various implementations, the method includes forming a mixture including one or more thiols, agitating the mixture, precipitating the mixture, and extracting a polydisulfide polymer from the mixture. In various implementations, the polydisulfide polymer has a refractive index of at least 1.7."
The patent was filed on Oct. 19, 2023, under Application...