Patent ID: 7759299
Filing Date: 2010-07-20
Classification: C11D

Abstract:
1. A warewashing detergent composition comprising: (a) a cleaning agent comprising a detersive amount of a surfactant wherein the detergent composition comprises about 0.05 wt. % to 5 wt. % of the 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 0.5 wt. %; 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: d) the detergent composition is substantially free of zinc and is provided as a solid block.