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US 2026/0209572 A1Published application
Method for manufacturing a glass laminated lens comprising tetraazaporphyrin dyes
AssigneeLuxottica S.R.L.
InventorsFrancesca FEMIANI, Matteo GILLI
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Abstract
The present invention relates to a method for manufacturing a laminated lens comprising the steps of: A) mixing a dye comprising at least one tetraazaporphyrin compound and at least one urethane-acrylate glue to form an adhesive dye dispersion, said dye being mixed with said glue without being previously dispersed in an organic solvent; B) laminating together a first glass cap and a second glass cap by means of at least one adhesive layer comprising said adhesive dye dispersion, said adhesive layer being interposed between said two caps.
Claims11
Method for manufacturing a laminated lens comprising the steps of:
- A) mixing a dye comprising at least one tetraazaporphyrin compound and at least one urethane-acrylate glue to form an adhesive dye dispersion, said dye being mixed with said glue without being previously dispersed in an organic solvent;
- B) laminating together a first glass cap and a second glass cap by means of at least one adhesive layer comprising said adhesive dye dispersion, said adhesive layer being interposed between said two caps.
Dependencies are inferred from the claim text.