Peroxygen bleaching composition
AssigneeColgate-Palmolive Company
InventorFrederick W. Gray
Life of this patent
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Abstract
A bleaching and laundering composition comprising a peroxygen compound, an activator comprising phthalic anhydride and diethylene triamine pentamethylene phosphonic acid and/or a water-soluble salt thereof. A method of bleaching and laundering soiled and/or stained materials with the aforesaid bleaching composition is also described.
Claims11
A bleaching and laundering composition comprising a peroxygen compound, an activator for said peroxygen compound consisting essentially of phthalic anhydride, and diethylene triamine pentamethylene phosphonic acid and/or a water-soluble salt thereof.
A bleaching detergent composition comprising:
- (a) from about 5 to 50%, by weight, of a composition consisting essentially of a peroxygen compound, phthalic anhydride as an activator therefor, and diethylene triamine pentamethylene phosphonic acid and/or a water-soluble salt thereof;
- (b) from about 5 to 50%, by weight, of a detergent surface active agent;
- (c) from about 1 to 60%, by weight, of a detergent builder salt;
- and,
- (d) the balance comprising water and optionally filler salts.
A process for bleaching which comprises contacting the stained and/or soiled material to be bleached with an aqueous solution of a composition comprising a peroxygen compound, an activator for said peroxygen compound consisting essentially of phthalic anhydride and diethylene triamine pentamethylene phosphonic acid and/or a water-soluble salt thereof.
Dependencies are inferred from the claim text.