A - Human Necessities – 23 – L
Patent
A - Human Necessities
23
L
A23L 1/00 (2006.01) A23G 9/46 (2006.01) A61K 8/04 (2006.01) A61K 9/12 (2006.01) A61Q 19/00 (2006.01)
Patent
CA 2655885
A foamed delivery system having at least two components: a foam and an additive that is associated with, carried by or delivered by the foam. The foam is a stable foam that has a liquid matrix, gas bubbles and a structuring agent that forms a lamellar or vesicular cage structure without generating a gel imparting a rubbery texture. The lamellar cage structure entraps at least a substantial portion of the gas bubbles and liquid matrix therein to retain the gas bubbles and liquid in a sufficiently compact structure that substantially prevents drainage of the liquid matrix and coalescence and creaming of the gas bubbles to maintain stability of the foam even when the foam is subjected to heat shock. Combined with the stable foam structure the distribution and release of the additive during application is significantly improved.
La présente invention concerne un système de distribution de mousse possédant au moins deux composants : une mousse et un additif associé à, porté ou distribué par la mousse. La mousse correspond à une mousse stable contenant une matrice liquide, des bulles de gaz et un agent structurant qui forme une structure en cage lamellaire ou vésiculaire sans générer de gel conférant une texture caoutchouteuse. La structure en cage lamellaire/vésiculaire piège une grande partie au moins des bulles de gaz et de la matrice liquide afin de retenir les bulles de gaz et le liquide en une configuration suffisamment dense pour pouvoir empêcher sensiblement le drainage de la matrice liquide, ainsi que la coalescence et le crémage des bulles de gaz en vue de maintenir la stabilité de la mousse et ce, même lorsque cette dernière est soumise à un choc thermique. L'association de la structure en mousse stable avec l'additif permet d'améliorer sensiblement la distribution et la libération de l'additif lors de son application.
Tapfer Karl Uwe
Windhab Erich Josef
Borden Ladner Gervais Llp
Nestec S.a.
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