Benefit agent delivery systems

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 3/50 (2006.01) A61K 8/35 (2006.01) A61K 8/41 (2006.01) A61K 8/84 (2006.01) A61Q 5/02 (2006.01) A61Q 13/00 (2006.01) A61Q 19/10 (2006.01) C11D 3/30 (2006.01) C11D 3/37 (2006.01)

Patent

CA 2460066

Disclosed herein are benefit agent delivery systems which are formed by separately adding to a liquid or granular matrix certain kinds of primary amine compounds and selected types of benefit agents, e.g., perfumes, in the form of aldehydes or ketones. When substrate surfaces are treated with aqueous solutions or dispersions of such delivery systems, the benefit agent is indirectly exposed to and preferably deposited on the substrate surface in such a manner that it provides its benefit to the surface for a longer period of time than when the amine compound is not present. Such benefit agent delivery systems are especially suitable for incorporation into laundry detergent or other fabric-treating products.

L'invention concerne des systèmes d'administration d'agent bénéfique qui sont formés par ajout séparé de certaines sortes de composés amine primaires et certains types sélectionnés d'agents bénéfiques, par exemple, des parfums, sous forme d'aldéhydes ou de cétones à une matrice liquide ou granulaire. Lorsque les surfaces de substrat sont traitées au moyen de solutions ou de dispersions aqueuses de ces systèmes d'administration, l'agent bénéfique est indirectement exposé à une surface de substrat et, de préférence, déposé sur celle-ci de manière à offrir ces bienfaits à la surface pour une période de temps plus longue lorsque le composé amine n'est pas présent. Ces systèmes d'administration d'agent bénéfique peuvent notamment être incorporés dans des détergents à lessive ou d'autres produits de traitement des tissus.

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