Eyeglass lens and method of manufacturing the same
US8950861B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Jun 29, 2012 |
| Grant date | Feb 10, 2015 |
| Priority date | — |
| Expiry date | Jun 29, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/0006
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An aspect of the present invention relates to an eyeglass lens, which comprises an outermost layer in the form of a water-repellent vapor deposition film formed by vapor depositing a vapor deposition material in the form of a perfluoropolyether-modified silane compound denoted by general formula (I):wherein, in general formula (I), R1 denotes an alkyl group with 1 or 2 carbon atoms, x denotes 1 or 0, R2 denotes an alkoxy group with 1 or 2 carbon atoms, R3 denotes a hydrogen atom or a phenyl group, and n denotes an integer ranging from 10 to 40.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.