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US 4,049,585 AGranted
Detergent compositions containing internal vicinal disulfates
AssigneeThe Procter & Gamble Company
InventorDavid Clinton Heckert
Life of this patent
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Abstract
Detergent compositions are disclosed incorporating vicinal non-terminal disulfates as low sudsing surfactants and for their enhanced hard surface detergency characteristics.
Claims6
An automatic dishwashing detergent composition consisting essentially of:
- a. from about 3% to about 10% of an internal vicinal disulfate having the formula ##STR7## wherein x and y are integers from 2 to 16 inclusive;
- the sum of x + y = 10 to 18;
- R is hydrogen;
- R' is selected from the group consisting of hydrogen and COOM;
- and wherein M is a cation selected from the group consisting of alkali metal, alkaline earth metal, ammonium and alkanolammonium cations, and
- b. from about 10% to about 60% of a water soluble detergent builder salt selected from the group consisting of alkali metal polyphosphates, carbonates, bicarbonates, silicates, citrates, nitrilotriacetates and mixtures thereof.
3 more elements
A light duty liquid detergent formulation containing from about 3% to about 25% of an internal vicinal disulfate surfactant compound having the formula:
- ##STR8## where x and y are integers from 2 to 16 inclusive;
- the sum of x + y = 10 to 18;
- R is hydrogen;
- and wherein M is a cation selected from the group consisting of alkali metal, alkaline earth metal, ammonium and alkanolammonium cations.
1 more element
Dependencies are inferred from the claim text.