Oral care film

Details Oral care film Oral care film

A - Human Necessities

61

K

A61K 9/00 (2006.01)

Patent

CA 2571107

A composition for delivery of an oral care substance to a dental surface upon application of the composition thereto is a flexible film comprising the oral care substance dispersed in a film-forming effective amount of a polymeric matrix having a hydrophilic component, e.g., vinylpyrrolidone (VP), and a hydrophobic component, e.g., vinyl acetate (VA), in a weight ratio selected such that the film is substantially dissolvable in saliva in a period of time effective for delivery of the oral care substance. The polymeric matrix illustratively comprises a poly(VP/VA) copolymer having a VP/VA weight ratio of about 90:10 to about 10:90.

La présente invention concerne une composition permettant d'administrer une substance d'hygiène buccale sur la surface des dents par application de ladite composition sur la surface des dents. La composition décrite dans cette invention consiste en un film souple comprenant la substance d'hygiène buccale dispersée dans une quantité efficace filmogène d'une matrice polymère présentant un composant hydrophobe, par exemple, l'acétate de vinyle (VA), dans un rapport pondéral choisi de sorte que le film soit essentiellement soluble dans la salive dans un laps de temps efficace pour permettre la diffusion de la substance d'hygiène buccale. La matrice polymère comprend un copolymère poly(VP/VA) présentant un rapport pondéral compris entre environ 90:10 et 10:90.

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