US Patent Issued to Essilor International on Nov. 4 for "Optical article with very low reflection in the visible region and in the near infrared region" (Texas Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,283, issued on Nov. 4, was assigned to Essilor International (Charenton-le-Pont, France).

"Optical article with very low reflection in the visible region and in the near infrared region" was invented by Ilya Bolshakov (Dallas) and William Trottier-Lapointe (Dallas).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an optical article comprising a transparent substrate with a front main face and with a rear main face, at least one of the main faces being coated with a multilayered interferential coating comprising a stack of at least one high refractive index layer (HI) having a refractive index higher than or equal to 1.55 and at ...