Composition for coating the edge of an optical lens
US12221555B2 · kind B2 · utility
0Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2019 |
| Grant date | Feb 11, 2025 |
| Priority date | — |
| Expiry date | Nov 29, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/003
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.