Peroxymetallates and their use as bleach activating catalysts

Details Peroxymetallates and their use as bleach activating catalysts Peroxymetallates and their use as bleach activating catalysts

D - Textiles, Paper

06

L

8/87, 195/33.2,

D06L 3/02 (2006.01) C11D 3/39 (2006.01) C11D 3/395 (2006.01)

Patent

CA 2038176

ABSTRACT OF THE DISCLOSURE The subject invention relates to bleaching compositions comprising novel peroxymetallate bleach activators. The bleaching compositions comprise: (i) from about 1 to 60% of a peroxygen compound capable of yielding hydrogen peroxide in an aqueous solution; and (ii) from about 0.1 to about 30% of a bleach activator having the formula: MO5(XR)(X1R1) wherein M is molybdenum or tungsten; X and X1 are donor groups having available at least one lone pair of electrons; and R and R1 are each a radical selected from the group consisting of hydrogen, alkyl, aryl, alkylaryl, arylalkyl, phenyl, benzyl, and mixtures thereof.

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