MUMBAI, India, June 19 -- Intellectual Property India has published a patent application (202617054964 A) filed by Essilor International on April 30, 2026, for Method For Manufacturing An Optical Article And Associated Optical Article.

Inventors include Herfort, David; Yesilkaya, Bahhar; and Pousse, Charlne.

The application for the patent was published on June 05, 2026, under issue no. 23/2026.

Abstract: A method manufacturing an optical article, the method comprising: - providing a base substrate (10) comprising at least one optical surface (12a) and placing the base substrate (10) in a printing assembly (20), - providing a pattern (24, 26) to be printed on the base substrate (10) and determining a printing dot diameter for printing the pattern, - determining (200) a desired surface amount of primer to be deposited, based on the determined printing dot diameter, - depositing (300) a primer layer (30) by depositing a primer with the determined desired surface amount on at least part of the at least one optical surface (12a), - printing the pattern (24, 26) over the primer layer (30) with at least one inkjet printing head (22) depositing at least one dye (34), - placing the base substrate (10) in a heating assembly (40) for a predetermined migration duration, and - removing the primer layer (30).

Disclaimer: Curated by HT Syndication.