C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 17/06 (2006.01) C11D 3/37 (2006.01) C11D 11/00 (2006.01)
Patent
CA 2347810
The present invention relates to a process for forming an agglomerated particle containing the steps of providing at least one alkaline material, a core material, and at least one acid active. The alkaline material and the core material are added to a mixer and agglomerated therein, to form an agglomerated particle comprising an interior and an exterior. The acid active is then added to the mixer. The core material is concentrated into the interior of the agglomerated particle by adding substantially all of the core material to the alkaline material before more than about 50% of the acid active is added to the mixer.
L'invention concerne un procédé permettant de former une particule agglomérée consistant à apporter au moins un matériau alcalin, un matériau noyau et au moins un agent actif, à ajouter le matériau alcalin et le matériau noyau dans un mélangeur et à les agglomérer de manière à former une particule agglomérée comprenant des parties intérieure et extérieure, puis à ajouter l'agent actif au mélangeur et à concentrer le matériau noyau qui constitue l'intérieur de la partie agglomérée. Pour ce faire, on ajoute quasiment tous les matériaux, du noyau à l'alcalin avant que plus d'environ 50 % de l'agent actif soient ajoutés dans le mélangeur.
Kandasamy Manivannan
Wen Tianli
Kirby Eades Gale Baker
The Procter & Gamble Company
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