Invention Grant
- Patent Title: Optical article comprising an external water- and/or oil-repellent coating coated with a temporary coating
- Patent Title (中): 光学制品包括涂有临时涂层的外部水和/或拒油涂层
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Application No.: US12302670Application Date: 2007-05-22
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Publication No.: US08153263B2Publication Date: 2012-04-10
- Inventor: Chefik Habassi , Leang Ly
- Applicant: Chefik Habassi , Leang Ly
- Applicant Address: FR Charenton le Pont
- Assignee: Essilor International (Compagnie Generale d'Optique)
- Current Assignee: Essilor International (Compagnie Generale d'Optique)
- Current Assignee Address: FR Charenton le Pont
- Agency: Fulbright & Jaworski L.L.P.
- Priority: FR0651923 20060526
- International Application: PCT/FR2007/051310 WO 20070522
- International Announcement: WO2007/138215 WO 20071206
- Main IPC: B32B27/40
- IPC: B32B27/40
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.
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