Perfume delivery system

Details Perfume delivery system Perfume delivery system

C - Chemistry, Metallurgy

11

D

C11D 3/50 (2006.01) A61K 8/25 (2006.01) A61K 8/26 (2006.01) A61Q 5/12 (2006.01) A61Q 13/00 (2006.01) C11D 3/00 (2006.01) C11D 3/12 (2006.01) D06M 13/00 (2006.01)

Patent

CA 2595391

Perfume delivery systems, comprising insoluble carrier particles with surface silanols, which have been grafted with an organosilane and carry amino functional groups, a polymer with positively charged functional groups added to said carrier particles and a fragrance adsorbed to or absorbed into the carrier particles. The perfume delivery systems impart a long lasting fragrance to fabric treated with compositions containing the perfume delivery system.

La présente invention concerne des systèmes de libération de parfum, qui comprennent des particules vectrices insolubles portant en surface des silanols comportant des organosilanes greffés et des groupements fonctionnels amino, ainsi qu'un polymère portant des groupements fonctionnels chargés positivement et ajouté auxdites particules vectrices, et un parfum adsorbé sur ou absorbé dans lesdites particules vectrices. Les systèmes de libération de parfum confèrent à un tissu traité par la préparation contenant lesdits systèmes un parfum durable.

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