| abstract |
A bleaching composition comprising an inorganic peroxide capable of releasing hydrogen peroxide in aqueous solution and an activating agent represented by the following general formula B ¦ R-C-O--CH-C-O-)nM PARALLEL PARALLEL OO wherein R stands for an alkyl group having 1 to 16 carbon atoms, a halogen- or hydroxyl-substituted alkyl group having 1 to 16 carbon atoms or a substituted aryl group, B designates a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, M represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms or an alkali metal, and n is an integer of at least 1 when M is an alkyl group or n is an integer of at least 2 when M is a hydrogen atom or an alkali metal. |