US Patent Issued to California Institute of Technology on July 1 for "Photocatalytic generation of singlet oxygen for air purification" (California Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,455, issued on July 1, was assigned to California Institute of Technology (Pasadena, Calif.).

"Photocatalytic generation of singlet oxygen for air purification" was invented by Robert H. Grubbs (South Pasadena, Calif.), Carl M. Blumenfeld (West Hills, Calif.), Harry B. Gray (Pasadena, Calif.) and George R. Rossman (Pasadena, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects disclosed herein include a system for generating singlet oxygen in a gas, the system comprising: a substrate; and hexanuclear clusters operably immobilized on at least a portion of the substrate; wherein each hexanuclear cluster comprises a photosensitive octahedral co...