US Patent Issued to Essilor International on Sept. 2 for "Lens with surface microstructures encapsulated by a self-stratified hard coat" (Texas Inventor)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,405,403, issued on Sept. 2, was assigned to Essilor International (Charenton-le-pont, France).

"Lens with surface microstructures encapsulated by a self-stratified hard coat" was invented by John Biteau (Dallas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Optical articles comprising a base-lens substrate having at least one optical element or a plurality of optical elements protruding from a surface thereof, and the method for forming such optical articles. The optical articles comprise the base-lens substrate, a protective layer protecting said substrate, and at least one optical element or a plurality of optical elements, wherein the protective laye...