Invention Grant
- Patent Title: Composition for coating the edge of an optical lens
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Application No.: US17292797Application Date: 2019-11-13
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Publication No.: US12221555B2Publication Date: 2025-02-11
- Inventor: Hui Yu , Sunil Madhukar Bhangale , Prakhar Kasture , Pierre Fromentin
- Applicant: Essilor International
- Applicant Address: FR Charenton-le-Pont
- Assignee: Essilor International
- Current Assignee: Essilor International
- Current Assignee Address: FR Charenton-le-Pont
- Agency: Norton Rose Fulbright US LLP
- International Application: PCT/EP2019/081247 WO 20191113
- International Announcement: WO2020/099522 WO 20200522
- Main IPC: C09D163/00
- IPC: C09D163/00 ; C08G59/14 ; C08G59/24 ; C08G59/64 ; C08G59/68 ; C09D7/20 ; G02B1/04 ; G02B1/10 ; G02B5/00
Abstract:
The present invention relates to a cross-linkable composition comprising an epoxy oligomer comprising at least six hydroxy groups, to a coating obtained by curing the cross-linkable composition and to an optical lens comprising said coating on a surface thereof, in particular on the edge surface thereof. The invention also relates to a method of preparing a coating for an optical lens and to a method of coating a surface of an optical lens, in particular the edge surface of an optical lens.
Public/Granted literature
- US20210395561A1 Composition for Coating the Edge of an Optical Lens Public/Granted day:2021-12-23
Information query
IPC分类:
