G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 1/04 (2006.01)
Patent
CA 2671960
The invention provide a new lens curing method for making hydrogel contact lenses. The new lens curing method is based on actinically-induced step-growth polymerization. The invention also provides hydrogel contact lenses prepared from the method of the invention and fluid compositions for making hydrogel contact lenses based on the new lens curing method. In addition, the invention provide prepolymers capable of undergoing actinically-induced step-growth polymerization to form hydrogel contact lenses.
L'invention concerne un nouveau procédé de durcissement de lentille qui permet de fabriquer des lentilles de contact hydrogel. Le procédé de l'invention fait appel à une polycondensation induite par rayonnement actinique. L'invention se rapporte également à des lentilles de contact hydrogel préparées selon le procédé de l'invention et à des compositions liquides destinées à la fabrication de lentilles de contact hydrogel selon le nouveau procédé de durcissement de lentille précité. L'invention porte en outre sur des prépolymères pouvant être soumis à une polycondensation induite par rayonnement actinique afin de former des lentilles de contact hydrogel.
Medina Arturo Norberto
Scott Robert
Smith Dawn A.
Fetherstonhaugh & Co.
Novartis Ag
LandOfFree
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