C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/00 (2006.01) A61L 2/18 (2006.01) C11D 1/722 (2006.01)
Patent
CA 2547641
Compositions and methods for cleaning contact lenses employing one or more nonionic polyether surfactants having a HLB of less than 12 in an amount effective to reduce the amount of lipids on the contact lenses, thus rendering the contact lenses easier to clean. Additionally, by soaking contact lenses in the composition prior to inserting the lens on the eye, the compositions provide a prophylactic effect in preventing lipid deposition while the contact lens is worn.
L'invention porte sur des compositions et des procédés de nettoyage de lentilles de contact qui renferment un ou plusieurs tensio-actifs polyéthers non ioniques possédant une valeur HLB inférieure à 12 dans une quantité efficace pour réduire la quantité de lipides sur les lentilles de contact, les rendant de la sorte plus faciles à nettoyer. En outre, si on laisse tremper les lentilles de contact dans la composition avant de les placer sur l'oeil, les compositions déploient un effet prophylactique qui empêche le dépôt des lipides pendant que la lentille est portée.
Ammon Daniel M. Jr.
Dobie Alyce K.
Hu Zhenze
Salamone Joseph C.
Xia Erning
Bausch & Lomb Incorporated
Osler Hoskin & Harcourt Llp
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