Tinted lenses and methods of manufacture

Details Tinted lenses and methods of manufacture Tinted lenses and methods of manufacture

B - Operations, Transporting

41

F

B41F 17/30 (2006.01) B29D 11/00 (2006.01) B41J 2/01 (2006.01) B41M 5/26 (2006.01) C08L 101/00 (2006.01) C09D 11/02 (2006.01) G02C 7/04 (2006.01) G02B 1/04 (2006.01)

Patent

CA 2388655

The present invention recognizes that lenses, such as contact lenses, can be pigmented using ink that include polymers or polymerizable monomers, preferably the same monomers used to make the lens. The ink can be used to make images on or within the lens. Images made using these inks are preferably digital and can be used in a variety of printing methods, including ink-jet printing.

L'invention concerne des lentilles, telles que des lentilles de contact, pouvant être pigmentées par l'utilisation d'encre comprenant des polymères ou des monomères polymérisables, de préférence les mêmes monomères qui sont utilisés pour la fabrication de ces lentilles. On peut utiliser l'encre afin de créer des images sur ou à l'intérieur de la lentille. Les images créées avec ces encres sont de préférence numériques et elles peuvent être utilisées dans des procédés d'impression variés, y compris dans l'impression à jet d'encre.

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