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US 2024/0176165 A1Published application
Colored spectacle lens
AssigneeHoya Lens Thailand Ltd.
InventorsKichinosuke NOZAWA, Shusaku SAKATA
Life of this patent
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Abstract
A colored spectacle lens comprising: a substrate containing a colorant; a water-absorbent antifogging layer present on at least one surface side of the substrate; and an intermediate layer between the substrate and the water-absorbent antifogging layer.
Claims9
A colored spectacle lens comprising:
- a substrate (X) containing a colorant;
- a water-absorbent antifogging layer (Z) present on at least one surface side of the substrate (X);
- and
- an intermediate layer (Y) between the substrate (X) and the water-absorbent antifogging layer (Z).
1 more element
Dependencies are inferred from the claim text.