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US 4,089,945 AGranted
Antidandruff shampoos containing metallic cation complex to reduce in-use sulfide odor
AssigneeThe Procter & Gamble Company
InventorsRichard Edward Brinkman, Robert Loren Vogenthaler
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Abstract
An antidandruff shampoo comprising a surfactant, sulfur or selenium sulfide and a metallic complex wherein the cation of said complex is an ion of a heavy metal and the complexing agent is selected so that the complex can effectively counteract the formation of sulfide off odors.
Claims10
A shampoo composition comprising in an aqueous carrier:
- (A) from about 10% to about 50% of a surfactant;
- (B) from about 1% to about 15% of an antidandruff agent selected from the group consisting of elemental sulfur and selenium sulfide;
- and
- (C) from about 0.1% to about 1% of a complex of a metallic cation wherein the metal is selected from the group consisting of arsenic, mercury, copper, tin, bismuth, antimony, cadmium, lead, silver and gold and the complexing agent is selected from the group consisting of amino-N-polycarboxylic acids, amino-N-carboxylic acids, polyamino-N-carboxylic acids, polycarboxylic acids, polyhydric monocarboxylic acids and polyamines.
1 more element
Dependencies are inferred from the claim text.