A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 9/46 (2006.01)
Patent
CA 2300676
The present invention relates to an effervescent oral care composition with improved interproximal delivery properties. The composition comprises a first composition with about 2.5% by weight of an alkalimetal bicarbonate and a second composition with an acidic compound. Upon bringing the two compositions into contact with each other, e.g. by extruding them from a multicompartment container through a single outlet orifice, the alkalimetal bicarbonate and the acidic compound react with each other, causing an effervescent effect. By using 0.02% to less than 0.5% by weight, calculated on the total weight of the oral care composition, of the acidic compound, the interproximal delivery properties of the composition are significantly improved.
La présente invention concerne une composition effervescente pour soins buccaux dotée de propriétés d'administration interproximale améliorées. La composition comprend une première composition constituée d'environ 2,5 % en poids d'un bicarbonate de métal alcalin et une seconde composition d'un composé acide. Lorsqu'on met les deux compositions en contact, par exemple en les extrudant d'un récipient multicompartiment par un orifice de sortie unique, le bicarbonate de métal alcalin et le composé acide réagissent l'un sur l'autre en provoquant un effet effervescent. On améliore sensiblement les propriétés d'administration interproximales de la composition en utilisant 0,02 % à moins de 0,5 % en poids, calculé sur le poids total de la composition de soins buccaux.
Davies Richard Hew
Villiard Frederique
Waterfield Philip Christopher
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Plc Unilever
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