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US 7,842,655 B2Granted
Colored bleaching composition
AssigneeThe Procter & Gamble Company
InventorsVincenzo Guida, Bruna Perfili, Luca Sarcinelli
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Abstract
Liquid bleaching composition comprising a hypohalite bleach, a trimethoxy benzoic acid or a salt thereof, a pigment and/or a dye and an alkali metal salt of silicate, an alkali metal periodate or mixture thereof and the process for treating a surface using said composition.
Claims9
A liquid bleaching composition comprising:
- i) 1% to 3% of a hypohalite bleach,
- ii) 0.05% to 0.3% of a trimethoxy benzoic acid or a salt thereof,
- iii) a pigment and/or a dye;
- and
- iv) from 0.05% to 0.2% of an alkali metal salt of silicate and from 0.05% to 0.2% of an alkali metal periodate.
2 more elements
A liquid bleaching composition comprising:
- i) 1% to 6% of a hypohalite bleach,
- ii) 0.05% to 0.2% of a trimethoxy benzoic acid or a salt thereof,
- iii) a pigment and/or a dye;
- and
- iv) from 0.05% to 0.2% of an alkali metal salt of silicate.
2 more elements
Dependencies are inferred from the claim text.