Bleaching and dyeing; fluid treatment and chemical modification – Bleaching – Chemical
Patent
1999-03-05
2000-06-13
Gupta, Yogendra
Bleaching and dyeing; fluid treatment and chemical modification
Bleaching
Chemical
510302, 510367, 25218443, D06L 302
Patent
active
060744375
ABSTRACT:
A method for bleaching laundry and household surfaces is provided which iudes preparing a wash medium with a bleaching composition incorporating polyoxometalates and being free of any effective amount of a bleaching agent such as hydrogen peroxide, organic peracids, inorganic peracids, organic persalts, inorganic persalts, Caro's acid, Caroates and mixtures thereof. A second step involves contacting a stained substrate such as a fabric, kitchenware or a household hard surface for a time and in an amount sufficient to remove the stains. Air is employed as a primary source of oxygen atoms for bleaching.
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Chen Qin
Racherla Uday Shanker
Gupta Yogendra
Honig Milton L.
Ingersoll Christine
Unilever Home & Personal Care USA , division of Conopco, Inc.
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