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US 5,512,206 AGranted
Peroxygen bleach composition
AssigneeColgate-Palmolive Company
InventorsRobert Steltenkamp, Robert Heffner
Life of this patent
Estimating the term…
Abstract
A peroxygen bleaching composition which comprises approximately by weight a mixture of about 1 to about 75% of an inorganic peroxygen bleaching compound; and about 1 to about 75% peroxygen ketalcycloalkanedione bleachant activator.
Claims8
A peroxygen bleaching composition which comprises approximately by weight of a mixture of:
- (a) about 1 to about 75% of an inorganic peroxygen bleaching compound;
- and
- (b) about 1 to about 75% a peroxygen bleachant activator which is characterized by the formula:
- ##STR14## wherein y is 1,2 or 3, n is 1 to 10, r is 1 to 8, T, W, S and Z are independently selected from the group consisting of hydrogen, an alkyl group having 1 to about 8 carbon atoms, a halogenated alkyl group having 1 to about 8 carbon atoms, fluorine, chlorine, bromine, an alkylaryl group having about 7 to 12 carbon atoms and mixtures thereof and R.sub.1 and R.sub.2 are selected independently from the group consisting of alkyl groups having 1 to about 8 carbon atoms, halogenated alkyl groups having 1 to about 8 carbon atoms, cycloalkyl groups having about 5 to about 8 carbon atoms, aryl groups having about 6 to about 12 carbon atoms and alkylaryl groups having about 7 to about 12 carbon atoms.
1 more element
Dependencies are inferred from the claim text.