C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/39 (2006.01) C11D 3/00 (2006.01) C11D 3/02 (2006.01) C11D 3/08 (2006.01) C11D 3/10 (2006.01) C11D 3/30 (2006.01) C11D 3/32 (2006.01) C11D 3/33 (2006.01) C11D 3/36 (2006.01) C11D 3/37 (2006.01) C11D 11/00 (2006.01) C11D 17/00 (2006.01) C11D 17/04 (2006.01)
Patent
CA 2187438
There is a provided a detergent composition containing: (a) a heavy metal ion sequestrant; and (b) an organic peroxyacid bleaching system wherein a means is provided for delaying the release to a wash solution of said peroxyacid bleach relative to the release of said heavy metal ion sequestrant. Preferably said composition additionally contains (c) a water soluble builder wherein a means is provided for delaying the release to a wash solution of said peroxyacid bleach relative to the release of said water soluble builder. A pretreat wash method is also provided.
La présente invention concerne une composition détergente contenant: (a) un agent séquestrant les ions des métaux lourds; et (b) un système décolorant peroxyacide organique qui offre un moyen de retarder la libération du décolorant peroxyacide vers la solution de lavage par rapport à la libération du séquestrant d'ions de métaux lourds. Ladite composition doit, de préférence, contenir en plus (c) un adjuvant soluble dans l'eau qui offre le moyen de retarder la libération du décolorant peroxyacide par rapport à la libération dudit adjuvant soluble dans l'eau. L'invention concerne également une méthode de lavage comme traitement préalable.
Baillely Gerard Marcel
Jeffrey Janice
Park John Scott
Stoddart Barry
Kirby Eades Gale Baker
The Procter & Gamble Company
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