Spectacle lens and method for producing the same
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United States of America Patent
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Jun 7, 2011
Grant Date -
Oct 15, 2009
app pub date -
Apr 29, 2009
filing date -
Oct 31, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The disclosure relates to a spectacle lens comprising: a lens base member; a multi-layered anti-reflection film placed on the lens base member, and including a layer mainly made of silicon dioxide as an outermost layer; and a water-and-oil repellent layer provided in contact with the outermost layer of the multi-layered anti-reflection film, and made by using, as raw materials: at least one kind of a first fluorine-substituted alkyl group-containing organosilicon compound and a second fluorine-substituted alkyl group-containing organosilicon compound. The disclosure also relates to methods of producing a spectacle lens that is capable of retaining a sufficient water-and-oil repellency over an extended period, and having sufficient edge processability.
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