Warewashing composition for use in automatic dishwashing machines, and methods for manufacturing and using
First Claim
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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 solution having a pH of at least about 8 and obtained by diluting the warewashing detergent composition with water; and
(c) a corrosion inhibitor in an amount sufficient for reducing corrosion and/or etching of glass, the corrosion inhibitor comprising;
(i) a source of aluminum ion; and
(ii) a source of zinc ion; and
(d) wherein the warewashing detergent composition contains no bleaching agent.
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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 solution having a pH of at least about 8. The corrosion inhibitor includes a source of aluminum ion and a source of zinc ion. Methods for using and manufacturing a warewashing detergent composition are provided.
65 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 solution having a pH of at least about 8 and obtained by diluting the warewashing detergent composition with water; and
(c) a corrosion inhibitor in an amount sufficient for reducing corrosion and/or etching of glass, the corrosion inhibitor comprising;
(i) a source of aluminum ion; and
(ii) a source of zinc ion; and
(d) wherein the warewashing detergent composition contains no bleaching agent. - View Dependent Claims (2, 3, 4, 5, 8, 10, 11)
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6-7. -7. (canceled)
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9. (canceled)
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12-24. -24. (canceled)
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25. 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 solution having a pH of at least about 8;
(iii) a corrosion inhibitor in an amount sufficient for reducing corrosion and/or etching of glass, the corrosion inhibitor comprising a source of aluminum ion and a source of zinc ion;
(iv) wherein the warewashing detergent composition contains no bleaching agent; and
(b) washing ware with the use solution in an automatic dishwashing machine. - View Dependent Claims (26, 27, 28, 31, 33, 34)
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29-30. -30. (canceled)
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32. (canceled)
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35-37. -37. (canceled)
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38. A warewashing detergent composition comprising:
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(a) about 0.5 wt. % to about 20 wt. % of a cleaning agent comprising a detersive amount of a surfactant;
(b) about 10 wt. % to about 60 wt. % of an alkaline source comprising alkali metal hydroxide;
(c) about 5 wt. % to about 60 wt. % of condensed phosphate; and
(d) about 0.5 wt. % to about 25 wt. % of a corrosion inhibitor in an amount sufficient for reducing corrosion or etching of glass, the corrosion inhibitor comprising;
(i) a source of aluminum ion; and
(ii) a source of zinc ion. - View Dependent Claims (39, 40, 41, 42, 43, 44, 45, 46, 47, 48)
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Specification