Optical Article Comprising an External Water- and/or Oil-Repellent Coating Coated with a Temporary Coating
AssigneeEssilor International (Compagnie Generale d'Opique)
InventorsChefik Habassi, Leang Ly
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Abstract
The present invention relates to an optical article comprising on one of the main surfaces thereof an external water- and/or oil-repellent coating, characterized in that a temporary coat of a dried polyurethane latex-based composition is directly deposited onto the external water- and/or oil-repellent coating.
Claims22
-13. (canceled)
An optical article comprising on one of the main surfaces thereof an external water- and/or oil-repellent coating, wherein a temporary coat of a dried polyurethane latex-based composition has been directly deposited onto the external water- and/or oil-repellent coating.
The optical article of claim 21, wherein the temporary coat has a thickness of 15 to 20 μm.
Dependencies are inferred from the claim text.