Intellectual Property India Publishes Patent Application for Material Comprising A Functional Coating Having Three Silver-Based Layers And An Element Made Of Absorbent Layers

MUMBAI, India, July 31 -- Intellectual Property India has published a patent application (202617070367 A) filed by Saint-Gobain Glass France on June 05, 2026, for Material Comprising A Functional Coating Having Three Silver-Based Layers And An Element Made Of Absorbent Layers.

Inventors include Jacquet, Paul; Lelarge, Anne; Caillet, Xavier; and Rondeau, Vronique.

The application for the patent was published on July 24, 2026, under issue no. 30/2026.

Abstract: The invention relates to a material comprising a transparent substrate coated with a functional coating, which successively alternates, starting from the substrate, between three continuous silver-based functional metal layers and four coatings referred to as dielectric coatings. A dielectric coating comprises a layered element comprising: - a first layer comprising silicon, selected from a layer of nitride, of oxide or of oxynitride; - a discontinuous silver-based layer comprising silver nanoparticles, deposited directly on the first silicon-based layer; - a second layer comprising silicon, selected from a layer of nitride, of oxide or of oxynitride deposited directly on the discontinuous silver-based layer.

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