C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 17/00 (2006.01) B01J 2/00 (2006.01) C11D 3/12 (2006.01) C11D 3/386 (2006.01) C11D 3/50 (2006.01)
Patent
CA 2433524
The present invention relates to a delivery system for additives, which are incorporated in a variety of consumer products, including detergents and cleaning compositions, room deodorizers, insecticidal compositions, carpet cleaners and deodorizers, wherein the additive is protected from release until exposed to a wet or moist environment. Specifically, the present additive delivery system is a particle comprising a core of porous carrier material containing an additive, such as a perfume, in its pores; and a coating of a water-soluble or water-dispersible, but oil-insoluble, material, such as starch or modified starch, encapsulating the core. The present delivery particle can be used to deliver laundry and cleaning agents either to or through the wash cycle. A laundry additive delivery particle according to the present invention effectively delivers perfume ingredients through the wash to a fabric surface.
La présente invention porte sur un système d'administration d'additifs qui sont incorporés dans divers produits de consommation tels que des détergents et compositions nettoyantes, des désodorisants d'intérieur, des compositions insecticides, des nettoyants et désodorisants pour tapis, l'additif ne pouvant se libérer tant qu'il n'est pas exposé à un environnement mouillé ou humide. De manière spécifique, ce système d'administration d'additif est une particule comprenant un noyau de matériau support poreux contenant un additif, tel qu'un parfum, dans ses pores. Cette particule comporte également un enrobage d'une substance soluble ou dispersible dans l'eau, mais insoluble dans l'huile, telle que l'amidon ou l'amidon modifié, encapsulant le noyau. Cette particule peut être utilisée pour administrer des agents de blanchiment et de nettoyage dans le cycle de lavage. La particule de cette invention administre de manière efficace, au cours du lavage, des ingrédients parfumés sur la surface des tissus.
Dihora Jiten Odhavji
Mendosa Jose Maria Velazquez
Reddy Pramod Kakumanu
Rocha Luis Guillermo Acevedo
Thompson Fabrizio Meli
Kirby Eades Gale Baker
The Procter & Gamble Company
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