Laundry detergent compositions comprising .beta.-ketoester...

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 3/50 (2006.01) A61K 8/19 (2006.01) A61K 8/27 (2006.01) A61K 8/37 (2006.01) A61K 8/41 (2006.01) A61K 8/43 (2006.01) A61K 8/44 (2006.01) A61K 8/46 (2006.01) A61K 8/73 (2006.01) A61K 8/898 (2006.01) A61K 8/90 (2006.01) A61Q 13/00 (2006.01) A61Q 15/00 (2006.01) C07C 45/67 (2006.01) C07C 49/788 (2006.01) C07C 49/84 (2006.01) C07C 69/007 (2006.01) C07C 69/716 (2006.01) C07C 69/738 (2006.01) C07C 205/56 (2006.01) C11D 1/24 (2006.01) C11D 1/44 (2006.01) C11D 1/82 (2006.01) C11D 3/20 (2006.01) C11D 3/22 (2006.0

Patent

CA 2263132

The present invention relates to a fragrance delivery system for use in laundry detergent compositions which provides a long lasting "freshness" or "clean" scent to fabric. The compositions described herein deliver highly fabric substantive .beta.-ketoester pro-fragrances to the fabric surface during laundering wherein the pro-fragrances release their fragrance raw materials over a period of up to two weeks. The present invention also relates to a method for delivering a pleasurable scent to fabric which has a lasting freshness quality by contacting the fabric with a laundry detergent composition which comprises the fragrance-releasable .beta.-ketoester pro- fragrances.

La présente invention concerne un système de diffusion de parfum destiné à être utilisé dans des compositions de détergents à lessive, et qui donne au tissu une odeur "de propreté" ou de "fraîcheur" durable. Les composition selon l'invention diffusent des précurseurs de parfum .beta.-cétoesters, très efficaces sur tissu, à la surface du tissu au cours de la lessive; les précurseurs de parfum diffusent leurs matières premières de parfum sur une période pouvant aller jusqu'à deux semaines. La présente invention concerne également un procédé de diffusion d'une odeur agréable procurant une fraîcheur durable sur tissu, en mettant le tissu en contact avec une composition de détergent à lessive contenant les précurseurs de parfum .beta.-cétoesters diffuseurs de parfum.

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