Delivery system for oral care compositions comprising...

A - Human Necessities – 61 – K

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A61K 9/00 (2006.01) A61K 6/02 (2006.01) A61K 8/02 (2006.01) A61K 8/19 (2006.01) A61K 8/20 (2006.01) A61K 8/22 (2006.01) A61K 8/25 (2006.01) A61K 8/26 (2006.01) A61K 8/31 (2006.01) A61K 8/35 (2006.01) A61K 8/37 (2006.01) A61K 8/70 (2006.01) A61K 8/891 (2006.01) A61Q 11/00 (2006.01)

Patent

CA 2375093

Disclosed is a delivery system for delivering an oral care substance to the oral cavity, the delivery system comprising: (a) a removable backing strip having sufficient flexibility so as to be readily conformable to an oral surface when the delivery system is placed thereagainst; and (b) an oral care composition applied to the strip of material such that when the delivery system is placed on the oral surface the oral care composition contacts the oral surface, the oral care composition comprising: (i) an organosiloxane resin; (ii) a rheology modifier; and (iii) at least one oral care substance; wherein the oral care composition remains on the oral surface after the backing strip is removed. Further disclosed are such delivery systems in which the oral care composition further comprises fluid diorganopolysiloxane-based polymers; such compositions may further comprise carriers for solubilizing the organosiloxane resin and the fluid diorganopolysiloxane-based polymers. Still further disclosed are methods of using the delivery systems.

L'invention concerne un système d'administration destiné à l'apport d'une substance de soins bucco-dentaires dans la cavité orale, ledit système d'administration comprenant ce qui suit: (a) une bandelette de soutien amovible suffisamment souple pour épouser la forme d'une surface dans la cavité orale lorsque le système d'administration est placé contre cette surface et; (b) une composition de soins bucco-dentaires appliquée à la bandelette de matériau et servant à mettre la composition de soins bucco-dentaires en contact avec cette surface dans la cavité orale. La composition de soins bucco-dentaires comprend (1) un réside d'organosiloxane, (2) un modificateur de rhéologie et (3) au moins une substance de soins bucco-dentaires. La composition de soins bucco-dentaires reste à la surface dans la cavité orale même après que la bandelette de soutien a été enlevée. L'invention concerne également des systèmes d'administration dans lesquels la composition de soins bucco-dentaires comprend également des polymères liquides à base de diorganopolysiloxanes; ces compositions peuvent comprendre également des excipients destinés à solubiliser la résine d'organosiloxane et les polymères liquides à base de diorganopolysiloxanes. L'invention concerne enfin des procédés d'utilisation de ces systèmes d'administration.

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