C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/48 (2006.01) A61L 2/00 (2006.01) A61L 12/14 (2006.01) C11D 1/722 (2006.01) C11D 3/00 (2006.01) C11D 3/37 (2006.01)
Patent
CA 2307566
The present invention is directed to an ophthalmically safe disinfecting solution for contact lenses comprising the combination of a polymeric biguanide and a polyquaternium polymer of a substituted or unsubstituted vinylimidazole or its vinylimidazolium salt, which copolymer has a weight average molecular weight of 5,000 to 5,000,000. The invention is also directed to an improved method of disinfecting a contact lens.
Cette invention se rapporte à une solution de désinfection pour lentilles de contact, qui est sûre d'un point de vue ophtalmique et qui contient à cet effet une combinaison d'un biguanide polymère et d'un polymère polyquaternaire d'un vinylimidazole substitué ou insubstitué ou son sel vinylimidazolium, le copolymère ainsi formé ayant un poids moléculaire moyen pondéral compris entre 5,000 et 5,000,000. Cette invention se rapporte également à un procédé amélioré de désinfection des lentilles de contact.
Heiler David J.
Maier Stephen E.
Mccanna David J.
Spooner Susan P.
Xia Erning
Bausch & Lomb Incorporated
Osler Hoskin & Harcourt Llp
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