C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/34 (2006.01) C11D 3/33 (2006.01) C11D 3/36 (2006.01) C11D 7/32 (2006.01) C11D 7/34 (2006.01) C11D 7/36 (2006.01)
Patent
CA 2709703
Detergent compositions containing tiron (1, 2-diydroxybenzene-3, 5- disulfonic acid), which do not have or do not develop the reddish color associated with the tiron/ferric iron chelate are disclosed. Methods for reducing the intensity of red color in a tiron containing detergent composition are also disclosed.
L'invention porte sur des compositions de détergent contenant du tiron acide 1,2-dihydroxybenzène-3,5-disulfonique), qui ne possèdent pas ou ne développent pas la couleur rougeâtre associée au chélate tiron/fer ferrique. L'invention porte également sur des procédés pour réduire l'intensité de la couleur rouge dans une composition de détergent contenant du tiron.
Gardner Robb Richard
Gerdes Allison Lynn
Seeley Jeffrey Anderson
Kirby Eades Gale Baker
The Procter & Gamble Company
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