Particulate laundry detergent composition containing zeolite

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 17/06 (2006.01) C11D 3/12 (2006.01) C11D 3/20 (2006.01) C11D 11/02 (2006.01)

Patent

CA 2445045

A particulate zeolite-built laundry detergent composition having a bulk density of at least 550 g/l comprising at least two different granular components containing both surfactant and builder, preferably one prepared by non-tower granulation and another spray-dried, also contains from 1 to 10 wt% citric acid admixed as a separate particulate component. The admixed citric acid improves dispensing and dissolution properties, whether or not separately admixed sodium carbonate is present.

L'invention concerne une composition détergente de blanchisserie, en particules, à base de zéolites, ayant une masse volumique apparente d'au moins 550 g/l, comprenant au moins deux composants granulaires différents contenant à la fois un agent tensio-actif et un adjuvant de détergence, de préférence, l'un étant préparé par granulation sans utilisation d'une tour, et l'autre, par séchage par pulvérisation, et renfermant en outre de 1 à 10 % en poids d'acide citrique ajouté en tant que composant particulaire séparé. L'acide citrique ajouté améliore les propriétés de distribution et de mise en solution, indépendamment de la présence de carbonate de sodium ajouté séparément ou non.

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