US Patent Issued to Essilor International on Sept. 1 for "Method for manufacturing an ophthalmic element comprising a film structure" (French Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,368, issued on Sept. 1, was assigned to Essilor International (Charenton-le-Pont, France).

"Method for manufacturing an ophthalmic element comprising a film structure" was invented by Jean-Paul Cano (Lauzerville, France) and Claudine Biver (Vigoulet Auzil, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing an ophthalmic element that comprises a vision base element (12) and a film structure (14) adhered to said vision base element allows limiting or suppressing wrinkles and delaminations. This method implements an auxetic part (27) within a sacrificial film portion (26) that belongs initially to the film structure. In th...