Ophthalmic devices comprising photochromic materials with...

G - Physics – 02 – B

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G02B 5/23 (2006.01) C09K 9/02 (2006.01) G02B 1/04 (2006.01) G02C 7/10 (2006.01)

Patent

CA 2603549

Ophthalmic devices comprising photochromic materials comprising a reactive substituent. For example, the present disclosure contemplates ophthalmic devices comprising photochromic materials, such as photochromic naphthopyrans and indeno-fused naphthopyrans having a reactive substituent comprising a reactive moiety linked to the photochromic naphthopyran by one or more linking groups. In certain non-limiting embodiments, the reactive moiety comprises a polymerizable moiety. In other non-limiting embodiments, the reactive moiety comprises a nucleophilic moiety. Other non-limiting embodiments of the present disclosure relate to methods of making the photochromic ophthalmic device, wherein the photochromic ophthalmic devices comprise the photochromic naphthopyrans described herein.

La présente invention se rapporte à des dispositifs ophtalmiques comportant des matières photochromiques contenant un substituant réactif. La présente invention se rapporte par exemple à des dispositifs ophtalmiques comportant des matière photochromiques, du type naphtopyranes et naphtopyranes indeno-fusionnés photochromiques ayant un substituant réactif comprenant un fragment réactif lié au naphtopyrane photochromique par un ou plusieurs groupes de liaison. Dans certains modes de réalisation non limitatifs, le fragment réactif comprend un fragment polymérisable. Dans d'autres modes de réalisation non limitatifs, le fragment réactif comporte un fragment nucléophile. D'autres modes de réalisation non limitatifs de la présente invention se rapportent à des procédés de fabrication de ce dispositif ophtalmique photochromique, selon lesquels les dispositifs ophtalmiques photochromiques comportent ces naphtopyranes photochromiques.

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