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US 4,790,953 AGranted
Liquid hypochlorite bleach containing optical brightener solubilized by amine oxide
AssigneeThe Proctor & Gamble Company
InventorSamir A. Mansy
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Abstract
Aqueous hypochlorite bleach compositions containing a clear, stable optical brightener 4,4'-bis(4-phenyl-2H-1,2,3-triazol-2-yl)-2,2'-stilbenedisulfonate solubilized by amine oxide.
Claims7
An aqueous composition consisting essentially of:
- (a) from about 3% to about 8% sodium hypochlorite;
- (b) from about 0.025% to about 0.2% of an optical brightener having the formula:
- ##STR4## or the salts thereof;
- (c) from about 0.5% to about 2% of an amine oxide selected from the group consisting of those having the formula:
- ##STR5## wherein R.sub.1 is a C.sub.8 -C.sub.18 saturated alkyl group;
- R.sub.2 and R.sub.3 are C.sub.1 -C.sub.12 saturated alkyl groups.
- (d) at least about 80% water;
- wherein the amine oxide and brightener are present at a ratio of 40:1 to 10:1;
- and wherein said composition is a solution which is visibly clear of UV fluorescence and yet exhibits UV fluorescence on fabrics washed therein.
6 more elements
Dependencies are inferred from the claim text.