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US 6,866,687 B2Granted
Composition and method for bleaching a substrate
AssigneeUnilever Home & Personal Care USA, Division of Conopco, Inc.
InventorStephen Norman Batchelor
Life of this patent
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Abstract
The present invention provides a bleaching composition comprising iodine.
Claims13
A method of bleaching a textile, the textile carrying a stain, the method comprising the following steps:
- (i) adding a unit dose of a bleaching composition comprising:
- iodine in the range from 0.0005 wt % to 5 wt % by weight of the composition;
- and, the balance carriers and adjunct ingredients to an aqueous medium thereby providing an aqueous iodine bleaching environment, the environment being buffered in a pH ranging from 4 to 9;
- (ii) contacting the textile with the aqueous iodine bleaching environment;
- (iii) rinsing the textile with water;
- and,
- (iv) drying the textile.
4 more elements
Dependencies are inferred from the claim text.