Patent ID: 7241726

Claim:
A domestic, institutional, industrial, and/or commercial complete-cycle method of treating glassware surfaces in automatic dishwashing comprising the steps of: a) providing a through-the-wash detergent composition comprising an effective amount of an insoluble, zinc-labile particulate zinc-containing material wherein said zinc-labile particulate zinc-containing material layered is selected from the group consisting of copper zinc carbonate hydroxide, zinc carbonate hydroxide having the formula: 3Zn(OH) 2° 2ZnCO 3 or Zn 5 (OH) 6 (CO3) 2 , zinc hydroxide chloride zinc hydroxide nitrate, zinc hydroxide sulfate, and mixtures thereof; b) providing a rinse aid composition comprising an effective amount of at least one water-soluble metal salt and an acid; c) contacting said glassware surface with said through-the-wash detergent composition; and d) contacting said glassware surface with said rinse aid composition in the rinse cycle; wherein said rinse aid composition has a pH of less than about 5 when measured at a 10% concentration in an aqueous solution.