A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/66 (2006.01) A61K 8/19 (2006.01) A61K 8/22 (2006.01) A61K 8/41 (2006.01) A61Q 11/00 (2006.01) B65D 81/32 (2006.01)
Patent
CA 2647814
The present invention is directed to a container for housing and dispensing dentifrice compositions and that includes a first chamber containing therein a first dentifrice composition that includes a non-abrasive whitening agent and at least one thickener, a second chamber containing therein a second dentifrice composition that includes an abrasive polishing material, at least one thickener, a proteolytic enzyme and a rheology modifier that is not susceptible to enzymatic degradation, where the first and second dentifrice compositions are isolated one from the other until the substantially simultaneous co-extrusion from the container, and to whitening compositions containing the co-extruded first and second dentifrice compositions.
La présente invention concerne un récipient destiné à loger et à distribuer des compositions de dentifrice et formé d'une première chambre contenant une première composition de dentifrice comprenant un agent de blanchiment abrasif et au moins un épaississant, et une seconde chambre contenant une seconde composition de dentifrice comprenant un matériau de polissage abrasif, au moins un épaississant, une enzyme protéolytique et un modificateur rhéologique non susceptible de présenter une dégradation enzymatique. La première et la seconde composition de dentifrice sont isolées l'une de l'autre jusqu'à obtenir une coextrusion sensiblement simultanée dans le récipient. L'invention concerne également des compositions de blanchiment contenant la première et la seconde composition de dentifrice coextrudées.
Deepak Sharma
Edelstein Janette Suh
Mcneil-Ppc Inc.
Smart & Biggar
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