MUMBAI, India, Aug. 8 -- Intellectual Property India has published a patent application (202517035940 A) filed by Essilor International; and Corporation De Lecole Polytechnique De Montreal, Charenton-le-Pont, France, on April 14, for 'article coated with a low refractive index layer based on organic silsesquioxane compounds.'

Inventor(s) include Shelemin Artem; Zabeida Oleg; Martinu Ludvik; Maitre Nicolas; and Trottier Lapointe William.

The application for the patent was published on Aug. 8, under issue no. 32/2025.

According to the abstract released by the Intellectual Property India: "The present invention relates to an article comprising a substrate having at least one main surface coated with a layer A having a refractive index lower...