Compositions containing benefit agent composites...

C - Chemistry – Metallurgy – 11 – D

Patent

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C11D 17/00 (2006.01) A61K 8/06 (2006.01) C11D 1/38 (2006.01) C11D 3/14 (2006.01)

Patent

CA 2691036

A cleansing or a surface-conditioning composition comprising a mixture of (i) and (ii) in water: i) a surfactant selected from the group consisting of anionic, non- ionic, zwitterionic, cationic, and mixtures thereof; and ii) a hydrophobic benefit agent in a particulate form having a mean particle size in the range of 1 - 1,000 micron, and a specific gravity of >= 1, not encapsulated within a film or a capsule-like enclosure, the particulate hydrophobic benefit agent comprising: a) a physically- modified form of the hydrophobic benefit agent; and b) a deposition-aid material bonded to the surface of the physically-modified benefit agent material, wherein the bonding between the two said materials is achieved prior to addition to i), wherein said deposition-aid material is not a surfactant having a weight average molecular weight of less than 5,000 Dalton.

L'invention concerne une composition de nettoyage ou de conditionnement de surface, comprenant un mélange de (i) et (ii) dans de l'eau: i) un agent tensio-actif choisi dans le groupe constitué par les agents tensio-actifs anioniques, non ioniques, zwitterioniques, cationiques, et leurs mélanges; et ii) un agent utile hydrophobe sous une forme particulaire ayant une dimension moyenne de particule se situant dans la plage de 1 - 1000 microns, et une densité = 1, non encapsulée dans un film ou une enceinte de type capsule. L'agent utile hydrophobe particulaire comprend: a) une forme physiquement modifiée de l'agent utile hydrophobe; et b) une matière d'aide au dépôt, liée à la surface de la matière d'agent utile physiquement modifiée, la liaison entre lesdits deux matériaux étant obtenue avant l'addition de a), ladite matière d'aide au dépôt n'étant pas un agent tensio-actif ayant une masse moléculaire moyenne en poids de moins de 5000 Daltons.

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