Gentle preservative compositions

Details Gentle preservative compositions Gentle preservative compositions

A - Human Necessities

01

N

A01N 59/00 (2006.01) A01N 47/28 (2006.01) A01P 1/00 (2006.01) A61L 12/12 (2006.01) C01B 15/037 (2006.01) C11D 3/39 (2006.01) C11D 3/48 (2006.01)

Patent

CA 2569254

Compositions are described which are useful in preserving any topically applied solution. Compositions including urea-hydrogen peroxide complex in solution in an amount effective to preserve contact lenses are also described, as well as methods of making and using such solutions. A hydrogen peroxide component of such solutions, when introduced into the eye, is converted to oxygen and water, leaving only the natural product, urea.

Il est décrit des compositions qui sont utiles pour conserver toute solution appliquée topiquement. Il est également décrit des compositions comprenant un complexe urée-peroxyde d'hydrogène en solution en quantité efficace pour conserver des lentilles de contact, ainsi que des procédés de fabrication et d'utilisation de telles solutions. Le composant peroxyde d'hydrogène de telles solutions, lorsque celles-ci sont introduites dans l'AEil, est converti en oxygène et en eau, en ne laissant que le produit naturel, l'urée.

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