US Patent Issued to ADDISON CLEAR WAVE COATINGS on Aug. 4 for "Hermetic sealing for protection of titania-containing optical devices from damage by light" (Illinois Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,699,211, issued on Aug. 4, was assigned to ADDISON CLEAR WAVE COATINGS INC. (St. Charles, Ill.).

"Hermetic sealing for protection of titania-containing optical devices from damage by light" was invented by Martin Newcomb (Glen Ellyn, Ill.) and Chau Ha (Glen Ellyn, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device coated with a high refractive index (RI) titania-containing resin is hermetically sealed to prevent degradation induced by short wavelength visible light (greater than425 nm) and UV light in the range 300-400 nm thus including sunlight. The method includes placing the optical device in an assembly that is capable of being sea...