Process for depositing a photochromic substance on a...

A - Human Necessities – 61 – F

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A61F 9/00 (2006.01) B29D 11/00 (2006.01) G02B 1/04 (2006.01) G02B 1/12 (2006.01) G02B 5/23 (2006.01)

Patent

CA 1114660

PRECIS DE LA DIVULGATION: L'invention concerne un procédé pour l'intégration d'une substance photochromique à un substrat de base trans- parent en matière organique. Le procédé de l'invention est caractérisé en ce qu'il consiste à opérer par transfert thermique, c'est-à-dire à assurer un contact entre un tel substrat et un matériau photochromique formé au moins pour partie d'une telle substance, et à appliquer de la chaleur à ce matériau. L'invention trouve son application notamment dans la fabrication de lentilles ophtalmiques photochromiques.

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