Detergent bleach composition, bleaching compositions and...

Details Detergent bleach composition, bleaching compositions and... Detergent bleach composition, bleaching compositions and...

C - Chemistry, Metallurgy

11

D

252/94

C11D 3/39 (2006.01)

Patent

CA 1281024

ABSTRACT OF THE DISCLOSURE Bleaching agent compositions and detergent bleach formulations containing them comprise effective amount of (a) a peroxide compound having a bleaching action; and (b) a catalyst for the bleaching action of the peroxide compound, said catalyst comprising a water- soluble complex of manganese (III) with a multidentate ligand which imparts both hydrolytic and oxidative stability to the Mn (III). The amount of complexing agent in the catalyst that supplies the multidentate ligand to form the complex is such that the molar ratio of complexing agent to manganese is at least about 1:1, preferably 10:1 or greater. Suitable complexing agents are hydroxycarboxylic acids containing 5 or more carbon atoms and the salts, lactones, acid esters, ethers and boric esters thereof.

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