Warewashing composition for use in automatic dishwashing machines, and method for using
First Claim
1. A warewashing detergent composition comprising:
- (a) a cleaning agent comprising a detersive amount of a surfactant;
(b) an alkaline source in an amount effective to provide a use composition having a pH of at least about 8 when measured at a solids concentration of about 0.5wt. %; and
(c) a corrosion inhibitor in an amount sufficient for reducing corrosion of glass when the warewashing detergent composition is combined with water of dilution at a dilution ratio of dilution water to detergent composition of at least about 20;
1, the corrosion inhibitor comprising;
(i) a source of aluminum ion; and
(ii) at least one of a source of calcium ion or a source of magnesium ion.
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Accused Products
Abstract
A warewashing detergent composition is provided according to the invention. The warewashing detergent composition includes a cleaning agent, an alkaline source, and a corrosion inhibitor. The cleaning agent comprises a detersive amount of a surfactant. The alkaline source is provided in an amount effective to provide a use composition having a pH of at least about 8. The corrosion inhibitor includes a source of aluminum ion and at least one of a source of calcium ion or a source of magnesium ion. The amounts of calcium ion or magnesium ion can be selected depending upon the hardness of the water of dilution. Methods for using a warewashing detergent composition are provided.
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Citations
48 Claims
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1. A warewashing detergent composition comprising:
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(a) a cleaning agent comprising a detersive amount of a surfactant; (b) an alkaline source in an amount effective to provide a use composition having a pH of at least about 8 when measured at a solids concentration of about 0.5wt. %; and (c) a corrosion inhibitor in an amount sufficient for reducing corrosion of glass when the warewashing detergent composition is combined with water of dilution at a dilution ratio of dilution water to detergent composition of at least about 20;
1, the corrosion inhibitor comprising;(i) a source of aluminum ion; and (ii) at least one of a source of calcium ion or a source of magnesium ion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 30)
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24. A method for using a warewashing detergent composition, the method comprising:
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(a) diluting a warewashing detergent composition with water at a dilution ratio of water to warewashing detergent composition of at least about 20;
1, wherein the warewashing detergent composition comprises;(i) a cleaning agent comprising a detersive amount of a surfactant; (ii) an alkaline source in an amount effective to provide a use composition having a pH of at least about 8 when measured at a solids concentration of about 0.5 wt. %; and (iii) a corrosion inhibitor in an amount sufficient for reducing corrosion of glass when the warewashing detergent composition is combined with water of dilution at a dilution ratio of dilution water to detergent composition of at least about 20;
1, the corrosion inhibitor comprising;(A) a source of aluminum ion; and (B) at least one of a source of calcium ion or a source of magnesium ion; and (b) washing glass with the use composition in an automatic dishwashing machine. - View Dependent Claims (25, 26, 27, 28, 29, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48)
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Specification